1. Safety non-toxic environment. 2. Compressive resistance to abrasion. 3. Tube connected to the bottom of the bladder 4. Can be put into backpack and backpack's shoulder strap 5. Can be used to store water with -20 to 40 degree celsius 6. Foldable design 7. Replacement bladder for hydration backpack
Specification: 2.0L Size: 340mm X 170mm / Approx. 13" x 7" Thickness: 0.50MM Tube Length: 106cm / Approx. 3.5 Feet