Polyester lining
Zipper closure
Military Tactical backpack size approx.:20X24X43cm ;Capacity: 30L; Military backpack is made of high density fabric--durable and water-resistant
Molle tactical backpack has molle system, Molle webbing throughout for attaching additional tactical pouches or gear as 3 day assault pack backpack combat molle backpack.
Assault pack backpack with double-stitched, Heavy duty zippers and utility-style cord pulls, Side and front load compression system, Ventilated mesh padded back area & shoulder strap,breathable and comfortable.
Military backpack has hydration compatible that works great for a hydration bladder (backpack didn't include hydration bladder) as hydration backpack or outdoor camping hiking backpack.
Tactical assault pack backpack can be used as 3 day assault pack, range bag, hunting backpack, survival backpack, army backpack, trekking backpack or day pack for daily use

Material: 600D Waterproof Oxford cloth
Capacity: 25L-30L 
Size:43*24*20CM
Weight: 0.8KG  
Packing:50pcs/CTN
CTN size: 64*58*60CM