This 5L 3.3-caliber water bag is made of food-grade safe plastic materials, Portable, lightweight & compact water carrier. Easily folds or stores flat taking up little space.Suitable for both indoor & outdoor. Utilize for daily home use, leisure activities, camping, hiking, backpacking, climbing, running, sports, picnics or emergency survival. Perfect for storing your beverages when travel. Great for ALL drink storage needs. Used to store dry goods like beans or grains.Orders of 2000 pieces or greater are eligible for sea shipping. 100% guarantee for quality.