🧿Polyester 🧿Polyester lining 🧿Zipper closure 🧿13" shoulder drop 🧿Tactical backpack is made of 600D(900X600) high density Polyester, water-resistant and durable. 🧿Spacious military backpack has one main large compartment, one front detachable bag which you can use as a tactical fanny pack separately, two side detachable tactical backpack accessories bags as hiking sport bags, one flag patch. This multipurpose backpack can flexibly work as a 50L and 60L backpack. 🧿50-60L extra large capacity, ample rooms for laptop, survival and hiking gear, and plenty of separate compartments to organize your essentials. Molle system of this military molle backpack rucksack allows you to easily attach outdoor gear, more bags and sleeping pad (water bladder is not included). 🧿Adjustable dual density ventilated mesh shoulder straps, cinching waist strap, dual compression straps, heavy duty zippers and rain diverting flaps keep your rucksack pack secure and comfortable. 🧿This multipurpose pack can work as a 72-hour emergency kit, range bag, hunting backpack, army camouflage backpack, 3 day assault pack, survival backpack, hiking trekking camping rucksack, and outdoor backpack.