Capacity: 2.5L / 0.66 Gallon; Size: 30 x 27cm / 11.8" x 10.6" (L*W); Mouth Diameter: 22mm / 0.87"; Packing List: 4 x Water Container Bag Advantage: 1. Made of PE material, reusable, low temperature resistant and refrigerable, convenient, transparent, waterproof, durable, soft, stretchy, and saves space. 2. Leakproof design, with a screw cap design, it is more waterproof and leak-proof when filled with water or other liquids. Instruction: Thickened and widened handle, easy to carry. Large capacity, can be carried in pockets, backpacks, luggage, for storage and transportation. Application: Our emergency water pouch is perfect for daily household use, leisure activities, camping, hiking, traveling, mountain climbing , running, sports, picnics or emergency survival situations such as emergency water storage. NOTE: Please do not fill hot water over 70C. And it is recommended to only fill about half of the water when refrigerating and freezing to prevent cracking.