Color Grey Material Polypropylene, Silicone Capacity 1.3 Pounds About this item Use safe silicone. The water bottle is BPA free and odorless, made of BPA-free food-grade organic silicone, passed LFGB, SGS and FDA certification, to ensure safe drinking. It contains no PVC, latex, phthalate, or plastic smell. It is safe and hygienic, using a food-grade liquid silicone bottle and a food-grade plastic cap, children can use it with confidence. LEAK-PROOF AND EASY-TO-CLEAN The patented sealing screw cap eliminates leakage and splashing, and effectively prevents the bottle from accidentally opening. The wide-mouth design makes it easier to clean the inside of the collapsible soft water container or add ice or lemon to it. When using for the first time, it is recommended to soak in boiling water for 10 minutes for thorough cleaning. Cold and heat resistance This product has excellent heat resistance and can withstand temperatures from -50 to 200C. It has leak-proof and impact-resistant properties and is very suitable for all activities and sports. Even if it is squeezed or pushed, it will be tightly sealed. Even if you put it in a backpack or computer bag, it will not leak. We do not recommend using it with liquids higher than 158F (70C). Lightweight and convenient The 20oz (600mL) portable silicone bottle is foldable. It takes advantage of the characteristics of soft silicone and can be folded compactly after drinking, making it easy to carry. Allows you to hydrate your body at any time and anywhere.