VEVOR Hydration Backpack, 15L Insulated Hydration Pack Backpack with 3L TPU Water Bladder, Hiking Water Backpack with Storage for Men Women, Hydro Water Daypack for Hiking Running Cycling CampingOutdoor Adventure PartnerConvenient OperationMultiple Leak-proofExtra StorageSimple & Versatile StyleEasy to CleanHydration Bladder Capacity: 3L,Hydration Bladder Color: Sky Blue with a Wide Opening,Color: Blue with Silver Gray,Item Model Number: SS-69963-2,Product Weight: 1.28 lbs / 0.58 kg,Material: 420D Polyester, Waterproof,Backpack Capacity: 15L,Product Dimensions: 18.50 x 11.42 x 5.12 in / 470 x 290 x 130 mm,Hydration Bladder Material: TPU