DZT1968&reg; Hydration Pack Water Rucksack Backpack Bladder Bag Cycling Bicycle Bike/Hiking Climbing Pouch + 2L Hydration Bladder Color:Black,Red,Blue,Green,Hot Pink Backpack Size:42cm x 25cm / 16.54"x9.84"(L x W) Hydration Bladder Capacity: 2L Water Bag Size:39cm(15.35")x17cm(6.69") Backpack Material: Nylon, Hydration Material: TPU Package includes:1 x Sport Backpack+1X Hydration Bladder