1、Has the characteristics of strong hydrolysis resistance, strong antibacterial property, high strength and high water pressure resistance. 2、Can resist temperature changes in hot and cold weather, can be used in various environments, and can be used for cycling, hiking, mountaineering. 3、Antibacterial, odorless, large water output, and has an antibacterial protective cover to prevent contamination of the water outlet in the wild. 4、Convenient to install and disassemble, and can effectively avoid water leakage, easy to use and easy to carry. 5、The ergonomic opening design is adopted, which is more labor‑saving, and the inside of the lid is waterproof and more convenient to clean. Item Type: Water Bladder Material: EVA, TPU, PVC Water Pipe Size: Approx. 95cm / 37.4in Water Bag Size: Approx. 45 x 20cm / 17.7 x 7.9in Product Capacity: 3L Suitable Water Temperature: -20℃ to 50℃ Prohibition Signs Do Not Put in: Beverages, Alcoholic Water, Milk and Boiling WaterFour Key Designs:1. Harmless and environmentally friendly, using EVA/TPU environmentally friendly and harmless production, no peculiar smell, corrosion resistance, not easy to break 2. Leak-Proof technology, bilateral thermal stitching technology, thermal compression bonding molding, can bear 60kg, do not worry about the drinking water bag can not stand the gravity and be crushed to avoid the risk of water leakage 3. It is marked with a reminder scale to avoid screwing the lid due to fear of leaking if it is not tightened; it is convenient to recognize the amount of water carried and replenish the required amount of water at any time 4. Quickly dismantle the water base, which is convenient for self-disassembly of the water pipe, easy to clean, and effectively avoid water leakage 1 x Water Bladder