1. [Health Safe Material] This is made of and y food class silicone, which does not contain foldable water bottle, BPA and other harmful substances. Wide temperature range: -50 ° C to 200 ° C. We recommend that you do not use the bottle with hot liquids more than 70 ° C to avoid hot hands. Water bottles are not only stylish, but also environmentally friendly and creative. You don't have to worry about the liquids pouring into the bag anymore. The mouth of the water bottle can be removed and wide mouth design makes it easy to add ice cubes, lemon or others. Easy to clean. Flip-top design facilitates drinking water and prevents water from overflowing during drinking. The aluminum alloy comes with the buckle, facilitates the perfect or stuck in the backpack for gyms, exercise, office and outdoor recreation. 4. [Soft] This silicone water bottle can be reused. The bottle body is high quality silicone, soft and comfortable, shattered and explosion -proof. You do not need to worry about sudden breaking the water bottle or breaking down during strong exercise. For the first use, we recommend dipping in hot water for 20 minutes for comprehensive cleaning.