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Stash Collapsible 25oz Water Bottle

4.466666666666667 out of 5 stars
30 Reviews
Color:Malibu Blue



Stash Collapsible 25oz Water Bottle


  • Pack it in and pack it out with a collapsible bottle
  • 25-ounces of sweet hydration storage to keep you going
  • Thermoplastic Polyurethane doesn't leech or absorb flavors
  • Easily compacts down to 2-by-3.5-inches for easy storage
  • Screw-top for easy sipping and secure storage
  • Side loop makes carrying a breeze
  • Item #HPK001G
thermoplastic polyurethane
25oz (750ml)
screw top
[open] 7.2 x 3.5in, [closed] 2 x 3.5in
Claimed Weight
backpacking, hiking
Manufacturer Warranty

Overall Rating

4.5 based on 30 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 1 reviews
3 Stars - 3 reviews
4 Stars - 3 reviews
5 Stars - 22 reviews

What do you think about this product?


Selecting an option will reload the available reviews on the page
4 out of 5 stars

January 18, 2024

Would happily buy again! But not perfect

I bought this when embarking upon extended travel, and this thing has seen me for a year-plus. When I thought I lost it once, I was terrifically bummed (and relieved when I found it). If I did lose it, though, I would absolutely replace it. Absolutely worth the money. Two things to know: 1) It's not great for one-handed drinking. It's floppy when it's not filled. That's by design and is what lets it collapse, but that means that you need to support the bottle with another hand unless it's pretty full. Fine for walking but not great for driving. 2) I find it difficult to clean. Without firm edges, the bottle doesn't "give" you enough pressure when you press a cleaning brush against its interior. It takes longer than a standard water bottle and is a bit annoying. But those two things are A-OK by me! Just sharing for people who might be unwilling to spend more time cleaning or who are looking for a car-friendly water bottle.


Originally reviewed on HyrdraPak LLC

5 out of 5 stars

October 23, 2023

Great stow bottle

Great shape and easy to fill. No leaks and loop makes it easy to secure.

Cara W

Originally reviewed on HyrdraPak LLC

5 out of 5 stars

May 22, 2023

Great Space-Saver

So far so good with this collapsible bottle. I've taken it on a few hikes, and it's very convenient to be able to roll up this bottle once I've consumed this water to save space in my pack. While I haven't purchased it yet, I also plan to grab a filter to be able to use w/this bottle for backcountry missions.


Originally reviewed on HyrdraPak LLC

5 out of 5 stars

March 18, 2023


My favorite !! This is my fourth container from you guys and I must say it’s my favorite so far. Keep making great products. Thank you so much. My german shepherd and I thank you


Originally reviewed on HyrdraPak LLC

2 out of 5 stars

February 6, 2023

The taste.

I bought two of these recently. Seems like folks have been complaining about the taste of the water with these HydraPaks for years and nothing has been done to correct this, or maybe the taste was even worse before. Anyway, we stopped using it mid-flight. I love the design, it's a great design. But, I won't use it again. I'd consider buying a replacement if the taste of the water is improved.

SP Roman

Originally reviewed on HyrdraPak LLC

5 out of 5 stars

December 23, 2022


Not try it yet. But it seems sturdy. Will update more soon.


Originally reviewed on HyrdraPak LLC

5 out of 5 stars

November 21, 2022

Another perfect travel water bottle!

This has the same perfect features as the Stash 1 L bottle I have. I love that I can freeze it and put any size ice cubes in it. And it compacts down to a small size when it's empty.

Debbie J

Originally reviewed on HyrdraPak LLC

3 out of 5 stars

September 12, 2022

Great idea, however...

These collapse easily, don't leak, pack well, easy to clean. However, after about 3 or 4 months, very strong odor and my clean, delicious well water has a ghastly taste. Too bad, and I hope the company can address this unfortunate aspect.


Originally reviewed on HyrdraPak LLC

3 out of 5 stars

August 2, 2022

Too much work for not enough space saved.

It’s a neat concept, but everyone in our family found the “twist and collapse” function finicky- it doesn’t easily catch and stay collapsed. It feels like we’re trying too hard and there isn’t a good place to grip the bottom while twisting; the existing grip on the underside of the bottle is really small. As I write, it is sitting in its empty, half-collapsed state at the back of the counter because no one in our family wants to bother with it.

NW Mom

Originally reviewed on HyrdraPak LLC

5 out of 5 stars

August 8, 2021

Perfect for 4 mile hike with two dogs

Flexible, stays in place when you need to stuff it in a belly band.


Originally reviewed on HyrdraPak LLC