Features: The backpacking water bladder is thick and reliable enough to stand the press and jolt during your journey, no need to worry about leaking once you screw the lid tightly. The clear plastic water pouch can withstand the highest temperature of 100 degrees Celsius and the lowest temperature of minus 20 degrees Celsius. It is suggested that you should leave some space since the volume of water will increase after freezing, to prolong the lifespan of the pouch. The plastic water carrier tank is ideal for both indoor and outdoor activities, suitable for storing coke, juice, beer, milk and more, bringing you lots of convenience. Specifications: Material: PET, PA, PE and plastic Color: transparent Size: approx. 35 x 32 x 3.3 cm/ 13.78 x 12.6 x 1.3 inches Capacity: 1.3 gallons/ 5 liters Diameter of lid: approx. 3.3 cm/ 1.3 inches Package includes: 8 x Collapsible water container bag Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. It is suggested that you should leave some space since the volume of water will increase after freezing, to prolong the lifespan of the pouch. The clear plastic water pouch can withstand the highest temperature of 100 degrees Celsius and the lowest temperature of minus 20 degrees Celsius, kindly noted.Sufficient Quantity for Using and Replacing: the package comes with 8 pieces of emergency water pouches, with a capacity of 1.3 gallons/ 5 liters, able to store a large amount of water for you when hiking, camping, backpacking, climbing, cycling, fishing and more. Large Lid for Filling and Drinking: the plastic water storage containers are equipped with big lids, which measure approx. 3.3 cm/ 1.3 inches in diameter, making it easier for you to fill the contains with water or drink water when you are thirsty. Nice Sealing Performance: with reliable material and workmanship, the water bags for camping are waterproof and leakproof, able to work well on hot or cold condition, thus can well seal the liquid inside, keep them from leaking; Besides, the bags can stand stably on smooth surfaces once you fill them with water, not easy to roll over. Appropriate Size for Carrying Around: the water storage bag is approx. 35 x 32 x 3.3 cm/ 13.78 x 12.6 x 1.3 inches, foldable and lightweight, convenient for you to carry around, not occupying too much space. Reliable Material for Confident Using: made of quality PET, PA, PE and plastic, the water storage bladder is transparent, safe and serviceable, having nice resilience, allowing you to use for many times, not easy to break; Moreover, it has a thickened handle on the top, comfortable for you to grip.