CYY Waterproof 80L Military Tactical Rucksacks Hiking Trekking Bag Backpack C021BG Material:600D PVC nylon,soit can carry heavy-duty. Size:80L=Length:14.2''x Width:11.1''x Heigth:30.3'' Features:Durable,waterproof,padded and adjustable shoulder straps;Reinforced drag handle;Heavy duty rust resistant nylon zippers.Breathable mesh backing provides a cool feel in hot weather.Thickened computer protective interlayer inside,extra compartment for accessories.The outdoor backpack can be carried by a single shoulder, or by two shoulders, or by hand. It's concise designed for convenient and practical. The bag with large capacity,and has four size can be chosed,multiple application. Occasion:Hiking,climbing mountain,camping,cycling,various outdoor sports Please note our bag run different with other brands.