Performance and Features:
1. Creative folding mountain climbing water bag with carabiner hanger. It is light weight, convenient to take with and can hold 16 ounces (about 450 ml) of water.
2. As it comes with a carabiner, you can hang it in the place you need. When you are climbing the mountain or doing some sports, this water bag can be great help.
3. After you drink out all the water, just fold the water bag like paper and put it in your bag, it takes little place. 
4. Writable text area for personal sign can’t make mistake.
5. Freeze it, use it as an ice pack, and drink it as it thaws. Frequent drink water will reduce your carbon footprint, well for your health.

Foldable Water Bottle