Theres not a hard bottle out there thats cleaner, greener, and more flexible than a Platypus SoftBottle. Each one comes with our Clean Taste Guarantee and its made with zero BPA. The SoftBottle is green, too, because its ultra reusable and lightweight, it uses less energy and materials. Finally, your SoftBottle defines flexible. It fits in a drink holder, a round pocket, a flat pocket, or any hand. When empty, it rolls up and fits anywhere you want it to fit. Plus, it weighs 80% less than hard hydration bottles. Made in the USA.