HEAVY DUTY TACTICAL BACKPACK: Military backpack is made of durable 600x600D polyester. Military Tactical backpack size approx.:13"*20"*11" / 33*50.5*28CM (W*H*D); Capacity: 40L, allowing to carry all tactical gears. | MILITARY MOLLE BACKPACK: Molle system of tactical backpack attach other Molle tactical bag pouches. The front and both sides with Molle systems to hang things, and the bottom strap is for tent and sleeping mat or other outdoor equipment. | TACTICAL BAG PACK: The back of tactical bag and adjustable shoulder straps are ventilated mesh padded, breathable and comfortable. Tactical backpack for men with double-stitched, Heavy duty zippers and utility-style cord pulls, Side and front load compression system to adjust and tighten backpack. | SURVIVAL BACKPACK: Y-strap and buckle on the front of survival bug out backpack for sleeping mats or sweatshirts. The ideal large-scale tactical military backpack can easily support outdoor hiking camping survival etc heavy duty action. | MULTIPLE COMPARTMENTS: Designed with 5 compartments for storing different stuff. Tactical assault pack backpack have 2 main compartments, 2 small compartments in front, and back compartment for a hydration bladder. Suitable to become 3 days assault pack, hunting backpack, army assault backpack, or day pack for daily use.