Come and see our amazing products. The foldable water bottle is made of food grade silica gel (bottle body) and PP (bottle cap) materials. Our materials have passed the U.S. Food Safety Certification and do not contain BPA and other harmful substances. Suitable for various temperatures:-160 degrees to 200 degrees. To avoid burning, we recommend that you do not use liquids above 140 degrees Fahrenheit (about 60 degrees Celsius). The foldable children's water cup has a silicone sealing ring to prevent water from flying out. The design of detachable mouth and wide neck makes the bottle easy to clean. Put in ice and lemon, when drinking water, narrow mouth can prevent leakage and soaking. This silicone water bottle can be reused. It is also shockproof and explosion-proof. Pls confirm further with us if any query about packing info, inventory status and time schedule.