Feature 1WATERPROOF DESIGN: Hydration backpack with 900 sealed water resistant oxford fabric design, tear resistant, wear resistant, can well protect the items in the bag. 2HANDS FREE: Hydration pack can be very good to free your hands, from now on drinking water without one handed support, to ensure the safety of the ride. 33L WATER BAG: Hydration backpack pack carries a large capacity 3L water bag, to ensure the needs of drinking water during the journey. 4LARGE CAPACITY: Water bag backpack has enough space to carry belongings, books, medicine, etc., to meet the needs of most situations. 5WIDE APPLICATION: Water bladder backpack applicable to a wide range of places, sui .wang-edit-text .wang-edit-text .wang-edit-text Package List1 x HydrationBackpack