1. Environment protection materials, odorless and nontoxic.
2. Nozzle dust boot design, clean and hygienic.
3. Push up and down design, convenient and easy to use.
4. Very light and easy to carry.
5. Suitable for: cross-country running, riding, hiking, mountaineering and other outdoor sports.
6. Capacity: 3L.
7. Size: 43*17cm.
8. Note: Can contain cold water and warm water, but can not contain boiled water.