Lipirox (TM) Hydration Bladder Water Reservoir For Hiking Running 3 Liter (100 oz.) Consistant source of water with water hose to give you constant water supply confortably. Conveniently holds up to 3 liter (100 ounces) of water. Its flow shut off switch, will never let you lose precious water while on the go. Long and flexible hose to give you maximum comfort.