Use and Carry: Folds down flat when not in use and stands up when full. the large screw-on cap provides a leak-proof seal, the large bottble opening for easy filling and pouring, wide bottle lip for easy to fill and pour out. Quality and Durability: sun protection in summer, high toughness in winter, foldable, light weight, convenient for loading, unloading and transportation, and strong practicability! The lifespan can reach about 5-8 years. Emergency Water Solution: The water bag is suitable for no fixed water storage facilities. water bags are mainly used for agricultural production water, especially suitable for water storage and transportation in mountainous, hilly and saline-alkali areas. Prevent Water Leakage: faucet design, large diameter water injection port, can easily fill and drain water, and install a sealing cover. Can be flexibly opened/closed. Wide Application: Portable water carrier is a movable water tank, ideal for water and other drinks storage for your camping, garden, cemetery, vacation, hiking, hunting, travel, outdoor, picnic, BBQ, etc, also perfect as a petrol bag for emergency