1. MATERIAL -- Made A+ Grade durable nylon ripstop fabric; scratch-resistant, water-repellent, not easy to fade after long-term use, which wear-resistance is higher 10 times than conventional polyester fabric tension 2. OUTSTANDING STRUCTURE -- 13.8' W x 25.6' H x 9.8' D. Outer Structure: 1 front zippered pocket, 2 side zippered interlayer, 1 back zippered pocket, 1 main bag; Main compartment may be used in its entirety or be divided into 3 areas with 2 partitions; Lots of seperate pocket in it for orderly storage 3. MOLLE MODULAR DESIGN -- Molle webbing system on front and 2 sides, which designed to be used in combination with other equipments, you can attaching extra pouches or gears; such as kettle pouch, walkie-talkie pouch, first-aid pouch, torch pouch and so on; Hook-and-loop for attaching tags according to your own liking 4. 3 WAYS FOR USING -- This bag can used as duffle/handbag/suitcase/brief case when travelling. 2 straps are in a hidden compartment to make this bag change to a backpack/rucksack/satchel . A detachable shoulder strap can easily turn the backpack into a messenger bag/crossbody bag/mail bag/shoulder bag. 1 Bag can be used as 3 different ways of carrying