S9Q 3L TPU Hydration System Water Bag Pouch Backpack Bladder Hiking Climbing Survival D Style Hydration Bladder Capacity: 3L Item size: 44 x 21cm Item Weight: 0.52KG Constructed by waterproof 600D high density Nylon material. ^ S9Q 3L TPU Hydration System Water Bag Pouch Backpack Bladder Hiking Climbing Survival D Style