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10 Best Collapsible Water Bottles Tested & Reviewed

last updated Sep 13, 2019
If you are on the hunt for the best collapsible water bottles, then you have come to the right place. Here we will go over the best selections currently available for you to choose from as well as what to look for before making your purchase.

Regardless of the type of athlete you are, a good collapsible water bottle is a must-have if you like portability, ease of use, and staying hydrated. You can’t work out or push yourself if you aren’t properly hydrated, so having water on you is key.

The best collapsible water bottles are extremely packable and easy to take with you wherever you go—so you can just toss it in your gym bag or stuff it in your pocket when you are done. And, the best part, they’re reusable so you can stay away from plastic disposable water bottles.

In a Hurry? The test winner after 12 hrs of research

icon
Nomader
96.3/100 our score
Water Capacity
97
Features
98
Materials
94
Value
96
Nomader
Why is it better?

Multiple color options allow for coordination with different outfits

Sleeve and strap provides extra convenience and value

Hygienic and leak-proof cap

In a Hurry? Editors choice:
Nomader
Test Winner: Nomader
Amazon Link
Researched Sources
7
Researched Sources
Reviews Considered
1.1K
Reviews Considered
Hours Researching
12
Hours Researching
Products Evaluated
17
Products Evaluated
Last Updated:
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By Giselle Killebrew:

For our most recent update, we have revamped our entire buying guide and added essential information to each of the sections to help our readers on their search for their next collapsible water bottles. Make sure to read through to the end of the buying guide to ensure you invest in the right option for you and your needs.

Sorting Options
Water Capacity Features Materials Value By Default
Rank
PictureProduct
Name
Rating
Shops
#1
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
96.3
Water Capacity
97 %
Features
98 %
Materials
94 %
Value
96 %
Price Comparison Last Updated (15.12.19)
Amazon Link
$24.95
#2
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
95.8
Water Capacity
96 %
Features
97 %
Materials
96 %
Value
94 %
Price Comparison Last Updated (15.12.19)
Amazon Link
$9.00
#3
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
95.3
Water Capacity
90 %
Features
96 %
Materials
98 %
Value
97 %
Price Comparison Last Updated (15.12.19)
Amazon Link
#4
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
93.8
Water Capacity
88 %
Features
92 %
Materials
99 %
Value
96 %
Price Comparison Last Updated (15.12.19)
Amazon Link
$10.09
#5
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
92.8
Water Capacity
92 %
Features
94 %
Materials
94 %
Value
91 %
Price Comparison Last Updated (15.12.19)
Amazon Link
#6
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
92.5
Water Capacity
92 %
Features
93 %
Materials
92 %
Value
93 %
Price Comparison Last Updated (15.12.19)
Amazon Link
$14.97
#7
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
92.3
Water Capacity
89 %
Features
91 %
Materials
95 %
Value
94 %
Price Comparison Last Updated (15.12.19)
Amazon Link
$12.93
#8
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
90.3
Water Capacity
89 %
Features
91 %
Materials
90 %
Value
91 %
Price Comparison Last Updated (15.12.19)
Amazon Link
$8.82
#9
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
89.5
Water Capacity
90 %
Features
87 %
Materials
90 %
Value
91 %
Price Comparison Last Updated (15.12.19)
Amazon Link
#10
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
88.8
Water Capacity
87 %
Features
88 %
Materials
89 %
Value
91 %
Price Comparison Last Updated (15.12.19)
Amazon Link

10 Best Collapsible Water Bottles

1. Nomader

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
96.3
Nomader
Amazon Link
Water Capacity
97
Features
98
Materials
94
Value
96
best offer for today
Amazon Link
$24.95
Pros:

Multiple color options allow for coordination with different outfits

Sleeve and strap provides extra convenience and value

Hygienic and leak-proof cap

Cons:

Larger cap makes the product less portable

Higher cost when compared to other collapsible water bottles

A larger cap makes this collapsible bottle a bit less portable than some other options on this list. However, the excellent durability and variety of available colors make this a very appealing choice for fashion-conscious runners.

Read more

Water Capacity

This Nomader bottle has a capacity of 22 ounces, which would allow for enough water to facilitate an exercise session of around 45 minutes to an hour. As previously mentioned, the larger cap allows for increased durability but makes this bottle slightly less portable as a result.

Features

Although the larger cap makes cleaning and storing this bottle slightly more difficult, it does come with the benefit of increased hygiene and leak protection. Aside from that, this Nomader product has a removable sleeve for additional stability and a strap that doubles as a storage band.

Materials

This bottle is constructed mostly from BPA-free silicone. This makes it safe and hygienic enough for regular consumption while also maintaining a high durability that can come in handy during intense trail running sessions.

Value

This is on the higher end of the price spectrum for collapsible water bottles. However, due to the high build quality and convenient additional features, this Nomader product is well worth the price.

2. Vapur Eclipse

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
95.8
Vapur Eclipse
Amazon Link
Water Capacity
96
Features
97
Materials
96
Value
94
best offer for today
Amazon Link
$9.00
Pros:

Easily washable due to removable cap and wide mouth

Multiple sizes and color choices add variety

Fantastic value for available features

Cons:

Not clear what exact materials were used for the bottle’s construction

Difficulty machine washing due to lighter weight

This item is proudly touted by the manufacturers as the ‘anti-bottle’ for all its differences to conventional water bottle design. In addition to being collapsible and BPA-free, Vapur includes a complimentary carabiner clip that can be helpful while hiking or trail running.

Read more

Water Capacity

The Vapur Eclipse comes in two size options: 23 ounces or 33 ounces. Either size will allow for around 1 hour of properly hydrated physical activity. Regardless of what size is picked, the weight of this product is low enough to be comfortably transported whether empty or full.

Features

Resembling a toothpaste tube, the Vapur has a wide mouth with a removable cap that makes it easy to wash. Although it is machine washable, customers don’t recommend it because of its lighter weight. All bottles also come with a carabiner clip that can be easily attached to a belt loop, backpack, or keychain.

Materials

The manufacturers of this product have not publicly listed what their bottles are made from. What they have said is that their products are made in America, BPA-free, and able to be frozen. The weight of either size is roughly 2 ounces, making this one of the lightest collapsible bottles on this list.

Value

With the slight discount offered on Amazon, this bottle comes at an incredible value. Even without the price cut, this Vapur product is very reasonably priced and offers many features that justify every dollar.

3. Tap

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
95.3
Tap
Amazon Link
Water Capacity
90
Features
96
Materials
98
Value
97
best offer for today
Amazon Link
Pros:

Affordable

Antibacterial

BPA free

Lightweight and very portable

Can be frozen and used as an ice pack

Easy to clean

Cons:

Not as durable as other options

This one is FDA approved to be antibacterial, is pretty affordable, and is really durable. It is easy to use and reduces germ and bacteria buildup by up to 99.9%!

Read more

Water Capacity

This bottle has a capacity of 16.9 ounces or 33.8 ounces (1 liter) depending on which size you go with.

Features

As far as features, the best one this one has to offer is its antibacterial properties. It reduces the possibility of forming by Staphylococcus aureus, E. coli, Salmonella by 99.99%. It's easy to carry and lightweight (it only weighs 0
07 pounds) and can be frozen and used as an ice pack as well. It is also easy to clean--just fill it with hot water and shake.

Materials

It's made of Antibacterial masterbatch and BPA free LLDPE 3ply complex material.

Value

This is around the middle of the road in terms of cost for collapsible water bottles. There are certainly enough features to justify spending the money but it is also entirely possible to find a similar product for a reduced price.

4. Que

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
93.8
Que
Amazon Link
Water Capacity
88
Features
92
Materials
99
Value
96
best offer for today
Amazon Link
$10.09
Pros:

Easy to use

Plastic-free

Eco-friendly

6 different colors to choose from

Highly durable

Can hold hot and cold drinks

Easy to clean and dishwasher safe

Comes in 2 capacity options

Cons:

Highest capacity only holds 20 ounces

The Que Collapsible Bottle is an excellent option for travelers and those of you who are always on the go. It looks great, comes in lots of color options, and is highly durable.

Read more

Water Capacity

This water bottle holds 20 ounces when expanded and stands at 8.4 inches. When collapsed it is only 4.8 inches, making it easy to travel with. It only ways 6 ounces--and can be purchased at a smaller capacity size of 12 ounces.

Features

This bottle has a spiral exterior design, making it stylish and easy to grip. It is great for both hot and cold, dishwasher safe and easy to clean, leakproof, and perfect for all activities, not just traveling.

Materials

This water bottle is made of food-grade silicone and is completely plastic-free. Its lid is made with stainless steel and it is safe to say that this bottle is completely eco-friendly.

Value

This one is a little above average but it is highly durable, stylish, and comes in 6 different colors.

5. Hydaway

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
92.8
Hydaway
Amazon Link
Water Capacity
92
Features
94
Materials
94
Value
91
best offer for today
Amazon Link
Pros:

Extremely portable design condenses to the size of a powder mirror

Product comes in packs of two with additional carrying cases

Different colors available for extra stylistic choices

Cons:

High price can barely be justified

Disappointing capacity and infantile visual design

Despite being one of the most portable options available for collapsible water bottles, the lack of adequate water storage and bizarre design that resembles a child’s sippy cup make this product disappointing and somewhat tacky.

Read more

Water Capacity

A capacity of around 21 ounces is impressive considering just how small this HYDAWAY bottle can condense. However, this results in only enough hydration to facilitate exercise sessions of around 45 minutes at the very most.

Features

Every element of this bottle’s design, including the name, is intended for the purpose of portability and subtlety. The cap and body of this receptacle condense down into a package the size of a woman’s powder mirror and can be stored in a similarly sized carrying pouch for extra durability.

Materials

Although the manufacturers of the HYDAWAY bottle haven’t said what their bottles are made from, they have confirmed that the material is free of BPA or any other potentially hazardous substances. It has also been designed to bypass airport security without needing to be confiscated.

Value

When accounting for the fact that this product comes in packs of two and contain their own high-quality carrying cases, it can maybe be justifiable for it to cost as much as it does. However, there are far more useful water bottles that can be purchased at a fraction of the cost of this one.

6. Baiji

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
92.5
Baiji
Amazon Link
Water Capacity
92
Features
93
Materials
92
Value
93
best offer for today
Amazon Link
$14.97
Pros:

Two color-coordinated bottles included in the package

A portion of the profits from each sale go to dolphin rescue operations

Carabiner clip allows for easy attachment to backpacks and belt loops

Cons:

Somewhat disappointing maximum water capacity

Limited to two available color options

Perfect for exercising couples, this His and Her collapsible water bottle set provide a decent amount of hydration storage as well as the common conveniences associated with its silicone construction.

Read more

Water Capacity

Both bottles included in this package offer a maximum capacity of 20 ounces, which is a bit over one cup. This should be enough water to accompany a workout session of around 45 minutes to an hour; while not the most ideal, this is adequate for most cardio and interval running sessions.

Features

As is common with these silicone-based collapsible bottles, this product offers amenities such as an elastic band for convenient storage and a carabiner clip for use on belt loops and backpacks. Additionally, a portion of the proceeds for each sale goes to dolphin preservation and rescue efforts.

Materials

Anyone familiar with silicone-based collapsible water bottles has seen everything this product has to offer. However, they may not have seen all of the features included here in the same package, meaning that there is a somewhat impressive aspect to its design.

Value

At face value, the price for this product seems to be in the average range if not a bit on the higher side of the spectrum. However, due to the fact that the asking price nets customers two separate bottles, the cost of this item is much more reasonable.

7. Survivor

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
92.3
Survivor
Amazon Link
Water Capacity
89
Features
91
Materials
95
Value
94
best offer for today
Amazon Link
$12.93
Pros:

Meant to be used with the Survivor filter

Great for hikers and outdoor enthusiasts

Sturdy when filled

BPA free

Lifetime warranty

Money back guarantee

Easy to use

Cons:

Survivor filter needs to be purchased separately

This one is an excellent option for outdoor enthusiasts, hikers, and travelers from all over. It is both collapsible and will filter your water for you--so you know you are drinking something that won't get you sick.

Read more

Water Capacity

This cantine only weighs 2.4 ounces and has dimensions of 6.5 x 2.3 x 12.5 inches when it is filled up; and dimensions of 6.5 x 1.3 x 4.5 inches when it is rolled up. It can hold up to 1 liter (33 ounces) of water and is sold in pairs.

Features

The Survivor canteen is meant to be used with the Survivor filter--meaning this is a collapsible water bottle that will filtrate your water as well. It holds a liter of water, is easy to clean, and stands upright and sturdy when it is filled up.

Materials

The Survivor collapsible canteen is BPA free, eco-friendly, and made with Polyethylene and Aluminum.

Value

These canteens are really affordable but require the survivor filter attachment. The filter attachment easily screws onto the bottle and will filter it for you. If you are an outdoor enthusiast who needs a filtration bottle, this one is perfect. It is easily packable, lightweight, and easy to use. It also comes with a money-back guarantee, lifetime warranty, and when you purchase it you will get 20% off the filter--if you don't already have it.

8. Simple Value

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
90.3
Simple Value
Amazon Link
Water Capacity
89
Features
91
Materials
90
Value
91
best offer for today
Amazon Link
$8.82
Pros:

Affordable price for multiple bottles

Included carabiner clip allows for easy travel

Lightweight and pleasantly designed

Cons:

Disappointingly low water capacity

May contain BPA plastics

In a fantastic package of three patriotic colors, this product is perhaps better suited for casual use due to its smaller capacity. However, it can offer a decent experience during short exercise sessions due to its lightweight construction.

Read more

Water Capacity

Although each bottle only has a capacity of 16 ounces, the fact that there are three of them included inflates the total capacity to 48 ounces. However, it would look pretty silly to wear all three tiny bottles during an exercise session, so getting all 3 cups of water is unrealistic.

Features

These small water bottles come in three different colors, all accompanied with matching carabiner clips. This makes for a great travel bottle for low-intensity exercise or as a water source for small children.

Materials

The material these water bottles are made from isn’t listed by the manufacturer so it isn’t clear whether or not it is BPA-free. However, they have attested that it is dishwasher safe and non-toxic.

Value

It’s true that there isn’t much to these water bottles since they have a very simplistic construction and a small water capacity. However, the fact that this package comes with three bottles and is priced fairly low makes it a decently valued product.

9. TACTECH

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
89.5
TACTECH
Amazon Link
Water Capacity
90
Features
87
Materials
90
Value
91
best offer for today
Amazon Link
Pros:

Stylish appearance resembles a tactical survival tool

Holds enough water to provide adequate hydration for roughly 2 hours

Durable and BPA-free construction with medical-grade silicone

Cons:

On the heavy side when completely filled with liquid

Bottle cap adds an inconvenient extra step in the drinking process

With a close resemblance to something you might find in a military surplus store, this collapsible water bottle provides a similar level of toughness and versatility. Its medical grade silicone construction is BPA-free and highly resilient to damage.

Read more

Water Capacity

Due to this TACTECH bottle having a maximum liquid capacity of 35 ounces, enough water can be stored in it to guarantee proper hydration for almost 2 hours of intense physical activity. It’s higher capacity also makes this a fantastic camping accessory or survival tool.

Features

As can be expected from a silicone-based product, this collapsible bottle can store liquids at extremely hot or cold temperatures. It also comes with a protective cover that is easily removed as well as a looping band for maintaining its portable state during travel.

Materials

Although no precise weight is given for this silicone bottle, an estimate for its weight when fully filled is close to around 2½ pounds. As a bonus for purchasing, the manufacturers include PDF copies of several survival manuals, making this a perfect gift for any doomsday preppers with an eBook-reader.

Value

This costs a bit more than our best pick for collapsible water bottles but offers more than enough features to justify this minor price hike. When considering the excellent build quality, the high storage capacity, and the bonus survival eBooks, this is a fantastic deal for its asking price.

10. Monument

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
88.8
Monument
Amazon Link
Water Capacity
87
Features
88
Materials
89
Value
91
best offer for today
Amazon Link
Pros:

Affordable

Sturdy when filled

Folds up to a compact size

2 color options

Patented one-touch cap

Cons:

Only holds 22 ounces

Not as durable as other options

The Monument collapsible bottle has a traditional shape when filled but collapses and folds up similar to the Vapur bottle. It has a carrying handle and is one of the more affordable options on our list.

Read more

Water Capacity

This bottle weighs 9 ounces and holds 22 ounces of water.

Features

This bottle has a leakproof cap and is flexible and sturdy when filled. It can hold hot and cold liquids and its one-touch cap makes it easy to use.

Materials

It is made of BPA-free silicone.

Value

This one is one of the more affordable options on our list. It is available in blue and pink and is pretty durable given the price.

Criteria Used for Evaluation

Water Capacity

If you're buying a water bottle you want to make sure it will serve its purpose and keep you hydrated for as long as you need.

A good general rule outlined by medical professionals is to consume around 8 ounces of water for every 30 minutes of strenuous physical activity. In this category, we’ve determined how much water is stored in each bottle and how long of a workout session they can provide hydration for based on this guideline.

Several of the collapsible water bottles on our list is available in several capacity options--so, if you want to you can buy more than one of the same type just in different capacity selections. This is important because you need to make sure you invest in a water bottle that offers the right amount of water for the activity you are doing.

If you are going on a long outdoor adventure, for example, you may want to make sure you get a collapsible water bottle that holds enough water to ensure you stay well-hydrated for as long as you are out. On the other hand, if you are on a short distance runner then you will want to stick with a water bottle with less capacity.

This is because more water will add on weight so it will weigh you down. if you are a long-distance runner, you may want to check out a hydration vest so you can bring more water with you and distribute the weight evenly. All in all, make sure you prioritize the capacity to ensure you get something that works for you and your needs.

Features

A standard water bottle can become an amazing water bottle depending on what kind of extra features and conveniences it provides.

For the most part, all a water bottle needs to serve its intended purpose is to offer lightweight storage and an easily removable cap. However, some products offer more impressive features, such as a more ergonomic squeeze cap or compatibility with hydration apparel and hoses. This category evaluates the presence and effectiveness of any extra features like these.

How packable is it really?

As you can see from our list of reviews, not all collapsible water bottles are equally packable. Some can be more compact than others while others may only collapse down to half heir size. If you want to be able to stuff your water bottle in your pocket when you finish drinking your water you definitely can just pick the more collapsible models.

Spill-resistant features

The last thing you want to do is get a collapsible water that spills all over the place and gets you soaked. Not only is that annoying, but it also leaves you with less water then you were trying to bring with you. We rated each of our bottles based on how well they seal and prevent spills from occurring while you are out and about.

Materials

We work to stay hydrated to take care of our bodies, so it makes sense that we would want to be aware of whether our water bottles are safe to drink out of.

This category goes into more specific detail about the components that make up each water bottle. If one product contains a high amount of concerning material such as BPA plastic, this is the section that would mention that. Below we highlight several key factors we looked out for, so make sure to take a look and apply it to your own needs.

Why BPA-free?

BPA is a hot topic for many and most reusable plastic products are made to be BPA free nowadays--so it is not too big of an issue. However, you need to make sure you double-check if it is BPA-free before you buy to ensure you are not investing in a product that uses this potentially harmful chemical previously found in plastic products.

How durable is the water bottle?

This is important because you need to make sure you invest in a water bottle that won't break the second you drop it and that does not deteriorate over time because of all of the many times you will end up collapsing and packing your collapsible water over time.

Value

No matter how fancy it is or how many features it offers, no one is going to want to pay an arm and a leg for a water bottle.

This category compares the cost of each product to the features and perks offered through its design in order to determine if they’re actually worth their asking price--because, at the end of the day, the value of the collapsible water bottle you decide to get does not solely depend on the price of the product but rather what it brings to the table.

First and foremost, it is important to point out that if you have a really strict budget then you will have to prioritize the price of the product. However, if you find the perfect collapsible water for you does not fit your budget, then you may want to considering taking some time to save up and purchasing it later on.

Once you have established the amount of money you can use can spend on your water bottle, then you can go on to write down everything you need and want from your water bottle. More specifically, you want to make sure you get a water bottle that offers the capacity that you need--and if you need several options then get more than one if you can.

Next, make sure you take a look at the construction of the water bottle and what it is made. Double-check that it collapses to the point that you need it to ensure that it is packable enough to fit your needs and preferences. Most importantly, invest in a water bottle that offers all of the features that you need in a collapsible water bottle.

Expert Interviews & Opinions

Most Important Criteria (According to our experts opinion)
Sort criterias acording to:
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Click on a to rate the most important criteria:
#1
Water Capacity
Rate This Criteria as Most Important
Capacity.

The first consideration must be the carrying capacity of the water bottle, for runners who regularly enter competitions and train for a lot of miles, a larger capacity bottle is a must-have.

For runners who run locally and regularly a medium-sized capacity is best, infrequent runners are better off with a standard-sized bottle. Endurance runners can look for bottles that can take a pounding without problems such as breaking and spilling water.

When you spend long hours out running in the hot sun, choose a bottle that can keep the capacity of water cool.

Features

Choose a bottle that is easy and accessible for washing and keeping the bottle free of germs or bacteria. The design and style of bottles can vary so search out a bottle style that appeals to your sense of taste.

Look at which materials were used for making the water bottle, ensure they are not the type that degrades and put odor into the water or shed material into the water as this can damage your health.

Choose a bottle that can be easily carried, look for a bottle which offers a shoulder carrying strap. Check the cap design, check that it is sturdy and secure and will not allow water to leak. Your bottle will last a long time so be sure to get the best deal.

Other Factors to Consider

Style

For the most part, a water bottle isn’t considered a fashion accessory. However, some people appreciate having the option to order one in the color of their choice, especially if it’s a reusable one they plan on bringing with them on regular running sessions. Aside from a few notable exceptions, most water bottles are designed in largely the same way.

However, some of the collapsible varieties may offer some ergonomic features that make them more compatible with runners or other individuals with an active lifestyle. This can include a different shape or weight than the average. Make sure to also consider the valve and water delivery system to ensure it doesn't spill all over the place.

Last but not least, there is also nothing wrong with getting a water bottle that looks great. If you have a favorite color you should have the option to get a water bottle in your favorite color. So, although you shouldn't base your sole decision on color, patterns, or style, it is definitely an important factor to consider.

Durability

A decent manufacturer warranty doesn’t necessarily denote a higher quality product but it can bring customers some increased confidence in their product’s durability. Collapsible water bottles aren’t usually very expensive; however, the knowledge that comes with some sort of guarantee can help them feel like more of a sound investment.

We touched a bit on durability when we discussed materials and construction of the collapsible water bottle above, in our buying guide. But, more specifically, to get a good gauge of the overall durability of the water bottle we made sure to take a look at countless user reviews to see how it actually holds up over time.

Sometimes the best way to see how something holds up over time is to put it to the test, which is why researching and reviewing product reviews is important for us when we choose our products. And, it is important to note, that you need to make sure to care for your water bottle properly to ensure it holds up over time.

Frequently Asked Questions

q: How do I clean my collapsible water bottle?

a:

Many collapsible water bottles are machine washable and will simply require you to inflate them slightly before washing. Others may require hand washing with some dish soap and a specially designed bottle brush. The product listing should mention specific washing instructions.

q: When should I replace my collapsible water bottle?

a:

In general, you will want to replace your water bottle if it starts leaking or if it starts attracting mold. Other than that, it’s recommended to replace collapsible water bottles after a period of three to six months.

q: Do water bottles contain dangerous chemicals?

a:

One chemical commonly found in water bottles that many individuals are concerned with is called bisphenol A, or BPA for short. While medical professionals state that the small amounts of BPA that can leak into liquids from bottles are safe to ingest, people still want to avoid any exposure by choosing BPA-free products.

q: What is the best size for a water bottle?

a:

There’s no standard size for a water bottle that is best for every runner. However, the general recommendation is to use one that can contain between 16 to 32 ounces of liquid.

q: Can I fill my collapsible water bottle with another liquid?

a:

The best collapsible water bottles are designed primarily to be used with water and can be maintained easier if they are only used for storing this liquid. However, it is entirely possible to use them for containing juice, energy drinks, or alcohol.

Sources

  1. Jacob Hatch, Best Collapsible Water Bottles, Buying Guide
  2. John C. Porter, Best Collapsible Water Bottles, Hiking Website
  3. Melissa, Best Travel Bottles and Foldable Water Bottles, Blog Post
  4. Caroline Bankoff, Best Foldable Water Bottle - Vapur Review, Lifestyle Website
  5. Editorial Team, Collapsible Water Bottles - TravelGear, Buying Guide
  6. Editorial Team , Best Collapsible Bottles, Informational Website
  7. Jess MacDonald, The Best Travel Water Bottles, Lifestyle Website