Review on Collapsible BPA & PVC Free Hiking Water Bottle: Hydrapak Stash For Backpacking Adventure! by Marcus Chavva

I really like this product and the concept of it. It's great to collapse it down when you are not using it. The only two things that I don't like is that #1, this does not come in 1 liter for both thread openings. My filter fits fine on this product, but 750 is just a little too small of volume for backpacking. This is a deal breaker for me! I don't see me buying another of this product unless 1L becomes available. Make sure you are buying the right product to fit your filter needs! The second detractor is that it just comes with a cap. I would rather see something on it that makes it easier to drink from. Then, purchase the cap separately if needed. I'd already purchased one of their 2 L products and I've been able to switch out the caps. It's just inconvenient. When you buy something like this, you are sacrificing stability for compactability. This particular design is a nice compromise. The firm bottom certainly helps keep this from tipping over. I also like the colors that are available. Is there a bit of an aftertaste from this bottle? Yes, but no big deal to me.