• Silicone
• Leak-proof design: the lid of the water bottle has a good seal and is not easy to leak,collapsible water bottles for traveling,foldable water bottle
• Multiple occasions: suitable for daily use, commuting, exercising, camping, hiking, etc,collapsible water kettle,leakproof travel water bottle
• Multiple occasions: suitable for daily activities, such as exercising, hiking, camping, commuting, etc,water bottle for sports,sport water bottle
• Foldable design: the collapsible water bottle is easy to fold when not in use, saving space,travel water bottle,leakproof bottle
• Leakproof design: the rotatable lid prevents the bottle from being accidentally opened,foldable water bottle for traveling,collapsible water bottles