SAFETY MATERIAL& ECO-FRIENDLYThis collapsible silicone water bottle is made of food-grade silicone, BPA free to ensure safe drinking, no PVC, non- toxic and odorless.Applicable for cold water to -40F (-40C) and hot water up to 446F (230C). The reusable silicone water bottle is not only stylish in appearance, environmentally friendly but also creative to be great gift choice for kids, friends, lover, families.LEAK PROOF & EASY TO CLEANThe collapsible silicone water bottle designed with sealing screw cap is used to eliminate leakage and splashing and effectively prevent the bottle from accidentally opening. The water bottle mouth is detachable, the narrow mouth can prevent water spills during drinking. Wide mouth design makes bottles easier to add ice, lemons into it or clean the interior.EASY TO BE CARRYOne of the most intriguing things about this foldable water bottle is its lightweight, collapsible and D-shaped buckle design. The volume of this flexible silicone bottle is reduced by 50% after folding, leaving only13.5cm (height), which can be adjusted according your needs. Comes with an aluminum alloy Safety clasp, makes it is easy to carry or hook it to the backpack, carry it everywhere. Ideal for travel, bikes, running, camping, hiking, climbing, beach.DURABLLE AND REUSABLEThis silicon foldable water bottle can be reusable, and it anti-vibration and explosion-proof. When you are doing strenuous exercise, don't worry about the water bottle being broken or scratched suddenly, or the water bottle will be smashed when it falls on the ground.