Healthy MaterialMade of food-grade platinum silicone, to ensure safe drinking and odorless.Not only stylish in appearance, but also environmentally friendly and very safe for your family and friends. Portable LightweightSilicone collapsible water bottles can reserve 500ml liquid, Resuable bottle can be folded 5.7inch in height.The travel water bottle has a foldable design, the foldable design can save 50% of space for outdoor activities. Leak ProofThe travel water bottle designed with silicone seal ring to prevent leakage.Durable, unbreakable, leak-proof and drop-proof are the important indicators of a kettle. For Travel and sportIt has impact-resistant properties and is very suitable for all sports activities . The shatter-proof, flexible and durable collapsible silicone water bottle equipped with a aluminium alloy carabiner, you can hook it to backpack or gym bag, carry it everywhere. DurabilityFoldable water bottle has excellent heat resistance and can withstand temperatures from -40F (-40C) to 446F (230C).We do not recommend using it for liquid which higher than 140F (60C) to avoid scalding your hand.