• Silicone
• Hidden handle: the collapsible water bottle is designed with a hidden handle for easy carrying,water kettle,collapsible kettles
• Hidden handle: collapsible water bottle with handle, convenient for you to carry it anywhere,leakproof bottle,travel water bottle
• Collapsible water bottle: allows the bottle to easily roll up and when space is tight,collapsible water bottles for traveling,foldable water bottle
• Simple design: simple but chic folding water kettle, suitable for any student, office worker, or sports lover,silicone water bottle for sports,collapsible water kettle
• Leak-proof design: the lid of the water bottle has a good seal and is not easy to leak,portable water bottle,leakproof sport water bottle