Features： 1、The bag body is made of PEVA material with light weight, no odor, no heavy metals, high transparency, softness and toughness, strong hydrolysis resistance, high strength and high water pressure resistance. 2、The water bag can withstand temperatures of ‑20 ℃ to 50℃, and can resist temperature changes in hot and cold weather. It can be used in various environments. You can also put large ice blocks in a water bag to keep the water cool. 3、The water mouth has the characteristics of odorless, large water output, and is equipped with a water stop lock device to completely prevent water leakage, each water mouth is equipped with a protective cover to prevent the corner of the water mouth from being polluted in the wild. 4、The integrally formed water pipe seat is firmer and effectively avoids water leakage. Removable wide‑mouth buckle design, which is not only easy to install water, not leaking, but also easy to disassemble, clean, and dry quickly. 5、Humanized design, can be used with outdoor running backpacks for greater use performance, applicable for cycling, climbing, outing, survival games, outdoor sports, etc Specification： Item Type: Water Bladder Material: EVA+PEVA+PVC Color: As Pictures Shown Water bag Size: Approx. 40x17.5cm/15.7x6.9in Water Pipe Length: Approx. 95cm/37.4in Weight: Approx. 148g/5.2oz Product capacity: 2L Suitable for water temperature: -20 ℃ -50 ℃ Do not infuse: beverages, milk and boiling water. Water bag cleaning steps: 1. First, OPEN the buckle along the OPEN direction; 2. After opening, the large caliber can not only accommodate the whole hand in and out of the inner wall for cleaning, simple, convenient, safe and healthy. After cleaning, it can be assembled along the LOCK direction. Four key design 1.PEVA material has light weight, no peculiar smell, no heavy metal, high transparency, soft and tough. 2. Leakproof process, bilateral hot suture process, hot pressing bonding forming, can bear 60kg, do not worry about drinking water bag can not stand the gravity and be pressed to burst, to avoid leakage. 3 Marked with a prompt scale, to avoid worrying about not tightening the water leakage and screw the cover; Convenient to know the amount of water to carry and replenish at any time. 4. The new generation of integrated water pipe holder is firmer  and avoids water leakage effectively. How to remove water bag odor Water bag itself material is made of food grade, with environmental protection and anti-mildew, material is non-toxic, why people first use water bag more or less will feel a little smell? That is because water bag is plastic goods to be in store carry, in saving process or with other goods shipment absorbs a bit of flavor of other goods, you want to use tea only, lemon juice or brine bubble 20-30 minutes, reoccupy clear water is rinsed net, peculiar smell divides namely. Package List： 1 x Water Bladder