SET INCLUDES: 4*10 Liter/10.6 Gal Collapsible Water Tank Carriers. Constructed to hold saltwater or fresh water or some other drinkings. FREEZABLE- It can be freezed with liquid. Besides, it can weaken sunlight burn inner liquid directly. FOOD-GRADE MATERIALS: Made of clear, non-toxic, food-grade safe plastic; Reusable, convenient, durable, space saving, and non-toxic. CONVENIENT: Features integrated handles for portability and large 1.4 inch bottle mouth for effortless filling and pouring. Screw-on cap provides leak-proof seal. SPACE SAVER: Portable water carriers are perfect for camping, hiking, travel, concerts and other outdoor activities. Simply air dry and fold flat to store away between uses. Why Choose Me in Your Camping? ✔Pocket Size after Collapsing. Space Save in Storage but Portable to use. Perfect for storing in between uses. Simply clean, air dry, fold, and roll. ✔Food Grade Material, non-toxic, Safe to store water or other liquids. ✔Freezable Containers bring cool in your outdoors in the summer. ✔Durable, reusable storage bags are perfect for camping, hiking, travel, concerts and other outdoor activities. ✔Screw-on cap provides a leak-proof seal to ensure a dry and comfortable journey. Specification: Color: Transparent Temperature: -20 degrees ~ 60 degrees Package Included: 4pcs * 10 Liter Collapsible Water Carriers You will never regret to choose it as an excellent survival or emergency water carrier.