Product description Size: 250*75cm Color: blue, black, green, Material: PC, silicone Package content: 1pcs silicone collapsible water bottle 1. Healthy and Safe This water bottle is made from medical grade (better than food grade) BPA-free silica gel and non-toxic, odorless material that is FDA cleared . 2. High capacity Allows you to hydrate your body at all times; enjoy the great design and convenience of this bottle compared to most products on the market. It has a check valve that prevents liquid from leaking out even if you turn it upside down 3. Button Switch Wide neck design makes it easy to clean the inside or add water and ice; the leak-proof one-button switch opens the cap easily; the locking ring prevents the bottle from being opened accidentally. 4. Collapsiblecollapsible silicone water bottle that folds to 1/3 the size for easy portability. Retaining strap for attaching and storing, stable even with little water. 5. Wide temperature range Withstands a wide temperature range from -40 to 100 ; Use with chilled or boiled liquids; Crash-proof and collision-proof design makes it a perfect companion for cycling, running, swimming, outdoor activities, extreme sports and more.