Survivor Filter Clear Collapsible Water Bottles - Travel, Hiking, Foldable, BPA-Free - 2 x

I've been using these for years now and they have surpassed every expectation: extremely durable, collapsible, fit even on off- brand filters and come with caps that stay attached while you fill- or drink- if you're like me and unscrew the top rather than use the mouthpiece. They come with carabineers if you're into suspending yours outside your pack. I keep mine inside my pack and i love that you can squeeze the air out so the water don't slosh back and forth- the sloshing is highly annoying for me. These bad boys even hold up to being cleaned with a water bottle brush, though I suggest using a softer one so as to not puncture. I think the price is good especially considering how long they last if you're conscientious about maintenance. I always let mine dry by sitting them upside down in the dish drainer and it's awesome that they stay open so they Will actually dry. The next time I need a new filter I'll go for the twin pack that also comes with the matching filter but for now they fit my Life Straw filter just fine. I love these for me and have also given them as gifts to the hikers on my life. Highly, highly recommended!

I’ve had this for 3 years of festivals and am just now going to replace them, but mainly because I’m bad at storing it properly when I get back from the festival. It doesn’t hold temperature but it’s a plastic bag so what do you expect ?

While preparing to travel overseas for a couple weeks, I was looking for ways to minimize packing weight. I drink A LOT of water, but I didn't want to lug my insulated steel bottle around. These bags proved to be a great solution. When full, they easily slid into my backpacks side pouches. And as they empty, they take up less and less room. Empty, they weigh nothing! Now, some cons. Obviously, they aren't insulated though that didn't matter where we were travelling. The protective caps are very difficult to remove. The tops can leak if too much pressure is created (i.e., if you squeeze the bag). With the cap off, the bag takes forever to dry internally (and I don't want to risk storing them wet). Even with these drawbacks, I'm glad I had these when I travelled.

It's a collapsable water bottle and seems to be about the best. Sturdy, reliable no leaks (I test them and if it leaks I seat the lid properly) I tried both boiling and freezing and had no problems. If the bag is too full and freezes the expansion could rupture anything, though. I poured boiling water into two of them and put pressure on them and nothing gave way and there was no distortion. The seams are very thick and sturdy - I used a hot nail to put a hole in the ample bottom seam for the carabiner so I could hang it upside down to gravity feed the large Sawyer filter. No leaks here. It has the same threads as a soda bottle and the Sawyer filters. The cap is a common, quick open-close drinking top but will not interchange with the similar drinking cap on the large Sawyer filter as this one is much deeper. This bottle fits and seals nicely with the input (dirty water side) of the Sawyer filters and with the Sawyer Coupler (SP150) to attach to the output (clean water side) of the large Sawyer filter. On the output, squeeze the air out of the bag then attach and it will gravity feed and automatically shut off when full. You can't hold these flexible bags like a plastic bottle and trying to fill while holding just the small opening is awkward and relatively slow. The handle is a big plus for hanging on backpack, cooking space or tent or for hand carry and dispensing. Also to hold and secure when filling (don't want to see it floating away) Having an aid for filling would be good in some cases. I use my tall 24 ounce cooking pot with a string harness to collect water from ponds or streams without having to bend or stoop.

As much as I would like to give this a higher rating I really can't. I used these on the Pacific Crest Trail with a squeeze filtration system. This matters because the company also makes a squeeze filter system these are used with. As a flexible canteen system I absolutely would use again. It held up to heavy pressure while filled with water inside a very tightly packed backpack with no leaks. In fact I had two of these with regular aquafina lids for caps (I got rid of the sport bottle tops they come with) stuffed in the bottom of my pack with several days of food with no leakage. The problem came with the repeated folding, unfolding, and pressing/squeezing with the filter system. Both bags developed leaks but in different places in the seams. One had a pinhole leak that developed on the bottom gusset where the two sides and bottom come together at a point. The other one got leaks where top seals around the bottle neck. The company was very helpful when I contacted them about the problem. Kudos for the service. I did continue to use the replacements but not for squeeze filtration. I merely used them as additional canteens when I needed to carry a load of water or gather water from streams on trail. If I was rating purely as a squeeze bladder to be used with a filter system I would give them a one star as it failed in that respect. However due to the usefulness as a durable canteen and good customer service I do give it a bit of a kudos for that.

No funny taste from these and the bottles fold down small.

DO NOT under any circumstances buy these water bottles. They are weak, flimsy, and both bottles we purchased leaked from the screw cap area. This is one of those times where you get what you pay for. They may be less expensive, but if you backpack, hike for use these for any activity they will disappoint. You can see in the photo the water leaking out in the backpack. This was on our second use. Not acceptable. And yes.. I made sure the cap was tight :-)

I love these! I use them by themselves with the sipper top when I'm traveling in my car, but I most often use them while hiking with the Platypus drink tube. They thread right into it no problem. I live in a hot climate, so I fill these with water and put them in my freezer so I always have some handy when I am going out hiking. Sometimes I need to give them a head start melting, but in summer they will melt as I hike at a perfect rate so I always have nice cold water. In my freezer though I don't have quite enough space for them to stand up straight with these sipper caps on. So I save my other bottle caps (usually water bottle caps for me) and they work perfectly on these. I've never had them leak either. I also use them in my cooler instead of frozen gel packs when I go to the store because I have at least a 45 minute drive back home and these keep the cold things cold. The bonus is that I also have cold water (as they melt) in case I run out of the water that I brought with me. It saves me from having to buy one-time plastic bottled water at a store. I've tried them out with my Survivor Filter on one backpacking trip where we actually had a fresh water source. It was much easier to use than my friend's Sawyer mini. I highly recommend them. The company is great to deal with too.

Pratiche ed utili, sebbene il materiale non sia morbidissimo, tipo silicone. Comunque molto pratiche, leggere e poco ingombranti. Il gancio tuttavia non è in metallo.

Hab die Flasche im Mai gekauft und regelmäßig in Benutzung (beim Fliegen, auf Konzerten etc). Bin zufrieden.

J'ai acheté ces deux gourdes pliantes et transparentes pour un voyage au Brésil. Très utiles car elles ne prennent pas de place vides dans les bagages. Une fois sur place elles sont remplies d'eau du robinet dans laquelle on ajoute un cachet vendu en pharmacie pour rendre l'eau potable en quelques heures. Elles m'ont été d'un grand secours pour le lavage des dents et pour me désaltérer dans des endroits où l'eau n'était pas potable dans certaines villes ou villages du centre du Brésil. je recommande ces deux produits.

These are brilliant. I got these to take skiing to go into my backpack and they are great. Slim but sturdy. The outer cap can be a little tough at times to pull off but it means they don’t leak at all. Really great bottles.

Love it