Features1Food Grade Safe: The portable water bottle is made of safe food grade silicone and is LFGB, SGS and FDA approved to ensure safe drinking and is free of PVC, latex and plastic odor. 2Leakage Proof: Collapsible water bottle features a sealing screw cover that eliminates leaks and spills and prevents the bottle from accidentally opening. Even when squeezed or pressed, it remains sealed. 3Wide Mouth Design: Collapsible travel water bottle features a wide mouth design that makes it easy to clean the inside of the bottle or add ice or lemon. 4Heat Resistant: Silicone foldable water bottle is heat resistant and can withstand temperatures from 50 to 200 degrees Celsius. Impact resistant, suitable for all activities and sports. 5Caution: When using the water bottle for the first time, it is recommended to soak it in boiling water for 10 minutes for thorough cleaning. Not recommended for use in liquids above 70DegreeC to avoid burning your hands. 6Lightweight and Convenient: 20 ounce (600ml) portable silicone foldable water bottle, collapsible type, foldable after drinking, easy to carry.SpecificationItem Type:CollapsibleWaterBottleMaterial: SiliconeWeight: Approx. 143g/5.0ozCapacity: 600mlPackage List1 xCollapsibleWaterBottle