INNOVATIVE DESIGN- Foldable and flexible, saves space when it is rolled up and makes it portable for outdoor use; wide mouth design makes it easy to add water and ice cubes or clean the interior; the pop-up lid makes it convenient to drink; The innovative air return valve makes it easy
SAFE MATERIALS- Made of medical grade liquid silica (better than food grade) geland food grade PP&PC, 100%BPA-free, feel free to drink; perfect for bicycling, running, camping, hiking, mountaineering, travel, exercise and fitness
NO SPILL- The silicone seal on the flip cap ensures the bottle is well-sealed and no spill; the silicone ring imbedded in the cap ensures no side leakage; even when the bottle is upside down, when there is no squeezing on the bottle body.
HEAT RESISTANT – The bottle body endures a wide range of temperatures from -76℉ to 392℉; The bottle cap can withstand to temperature from -40℉ to 212℉
Perfect for travel and any outdoor – The biggest feature about the collapsible water bottle is it can foldable after you drink out. Just need short time let the large water bottle to a mini water bottle. Save space and lightweight. It will more convenient for gym, bike, hiking, running, camping.