SET INCLUDES: 3*5/10 Liter Collapsible Water Tank Carriers. Constructed to hold saltwater or fresh water or some other drinkings.3 environmental friendly 5L water containers,well meet your demands of water storage in different occasions MULTIPURPOSE- 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. Can also be used to store dry goods like beans or grains. BPA FREE AND EASY TO CLEAN:Eco-Friendly, Reusable and Refillable,Made from tasteless and food grade polyethylene film, Most durable & reusable. TRAVEL BUDDY-Portable, lightweight & compact water carrier. Easily folds or stores flat taking up little space. Stash several in your backpack when traveling or outdoors