Creeper 60l Big Capacity Outdoor Travel Hiking Camping Backpack Bag Mountaineering Bag A senior nylon mesh, lightweight and durable nylon fabric multi-compartment for accommodating more items: main warehouse ,vice warehouse,debris warehouse,side compartment,expandable top positions. Unique color frame design, fashion freedom Ultra-strength zinc alloy resin zipper Distribution Covers,easy to deal with a variety of environments.