Specollect Soft Flask Shrink As You Drink Pocket Soft Water Bottle for Hydration Pack/Running Vest- Folding Water Bottle for Running, Hiking, Cycling - Ski Water Bottles Features: TPU water bottle: accidentally dropped on the ground, will not break, no smell, very light. Outdoor sports bottle: It is foldable and rolled up by a silicone water bottle, which is very easy to carry and does not take up too much space. Leak-proof water bottle: When you find the water bottle with water, put the water bottle into the bag. Don't worry about leaking water and wetting other things in the bag. TPU water bottle: has three leak-proof functions: 1) leak-proof gasket; 2) leak-proof silicon gas nozzle valves; 3) rubber sealing ring. Please be assured that it will not leak. Product Description: Product package: 1xTPU water bottle Specollect Soft Flask Shrink As You Drink Pocket Soft Water Bottle for Hydration Pack/Running Vest- Folding Water Bottle for Running, Hiking, Cycling - Ski Water Bottles Leak-proof water bottle: When you find the water bottle with water, put the water bottle into the bag. Don't worry about leaking water and wetting other things in the bag. TPU water bottle: has three leak-proof functions: 1) leak-proof gasket; 2) leak-proof silicon gas nozzle valves; 3) rubber sealing ring. Please be assured that it will not leak. TPU water bottle: accidentally dropped on the ground, will not break, no smell, very light. Product Description: Outdoor sports bottle: It is foldable and rolled up by a silicone water bottle, which is very easy to carry and does not take up too much space.