Folding Silicone Water Bottles Sport Travel Outdoor Children Mini Water Kettle Sports Water Bottle for Traveling, Camping, Hiking, Walking, Running - White 100% Food Grade Silicone,Safe to use. Easy to fold, easy to carry. Roomy Bottleneck, Pour in and pour out easily,To control water flow white lid of bottle is removably, Can be put into large objects, such as ice And can be put into ice, accidental scalding or a cold have a fever can use it to lower the body temperature. When the weather is cold, it is a hot water bag. Soft collapsible, Can be stored in any backpack pocket after folding, Many fold will not leave a mark