Water pouches are made of high-quality plastic and are lightweight, space-saving, and foldable for easy storage and transport. Stash several in your backpack when traveling or outdoors. It should be noted that the suitable temperature of the liquid pouches is -10°C~70°C. Suitable for both indoor & outdoor uses. Freezer-friendly for cooling your favorite beverages. Utilize for daily home use, leisure activities, camping, hiking, backpacking, climbing, running, sports, picnics or emergency survival cases like hurricane, earthquake, floods & tornado. Perfect for storing your favorite beverages when travelling, such as on planes, cruises or driving. Great for ALL your drink storage needs. Collapsible water bag can also be used to store dry goods like rice or grains to aviod moisture. The clear plastic bag make it easy to see the liquid inside and helps classify all kinds of drinks. Perfect for storing your favorite beverages when travelling. Package Including 2/3/4 x Collapsible water containers 1x Collapsible Funnel Can be reused, reducing the need and waste of disposable water bottles. In picnic barbecue, hunting, traveling, outdoor, car picnic, vacation, hiking, sports events, and music festival, you only need to fold to keep everyone hydrated or wash.