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, suitable for sports, leisure, travel, etc.. Lightweight design, easy to carry and use.Item Type: Hydration BackpackProduct Material: Oxford Cloth, EVA .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x HydrationBackpack