1. This collapsible water bottle comes with a unique leak-proof valve to keep it leakproof, squeeze to drink design with thick and flexible silicone body can any kneading, flip top make it easy and funny to drink.
2. This collapsible water bottle is nontoxic since it made of FDA approved BPA-free food grade liquid platinum silicone. No taste or odor, They are eco-friendly.
3. This collapsible water bottle is soft but unbreakable. reusable and can be exposed to temperatures ranging from 40°F to 248°F. Perfect for both hot and cold drinks. The collapsible water bottle with wide mouth and silicone body to make it easy clean ,PP bite valve can keep drinking clean. don't worry about dirty it. Wash and fold without stress and wash in a dishwasher is safe.