Description: One-piece molding, can be used with special water bag backpack, high-quality sealing performance design, there is a gasket in the cover, absolutely water leakage, even if it is squeezed by force, it will never see water. Invariable without aging. High-quality TPU soft water hose with a water nozzle length of 100CM. The mouthpiece is equipped with a special dust cover to protect the cleanliness of the mouthpiece. Each product has undergone rigorous testing. It is suitable for drinking water at room temperature. Drinks and hot water are not allowed. The water pipe jacket has a neoprene insulation jacket. It can effectively alleviate that the water in the tube will not freeze in the low temperature state. It will cause it to be unable to drink. Or the water bag will become odor after long-term irradiation in the high temperature state. The bag body is translucent and printed with a volume scale. With lifting ears, it can be used with back hanging. Foldable and easy to carry. The comprehensive usability is excellent. It should be used in all kinds of outdoor activities, and is suitable for use in a backpack. Specification: Material: TPU Color: Brown Size Chart: 2L:208x340MM/8.19x13.39inch 2.5L:208x395MM/8.19x15.55inch 3L:208x445MM/8.19x17.52inch Package Includes: 1X Water Bag Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!