Transparent outdoor water bag, can also be used to fill beer or grains and cereals. Sealing effect is strong, waterproof and moisture-proof. Food selection materials, safe and more secure, can be directly in contact with food. Plastic buckle design, convenient thickened handheld, with carry carry not strangle hands. Large diameter pouring convenience, filling portable, can be used repeatedly, spiral sealing cap. Thickened and widened self-standing bottom, not easy to pour, a variety of capacity options.