Made of heavyweight 600 Denier Polyester. PU (Polypropylene) Webbing. MOLLE compatible. Hydration bladder compatible. Waterproof bottom. Heavy duty zippers. Polyurethane coated lining and pockets for water repellency. 1 large main compartment with interior mesh zippered pocket. Front zippered compartment with exterior zippered pouch. Adjustable and removable waist belt. Adjustable padded shoulder straps with D-Rings. Padded back with breathable mesh backing. Top carry handle. Top & side adjustable web straps with quick release belt buckles. Size: 19" x 15" x 8". Great for school, camping, hunting, back packing, etc. GI Government Issued style. Black large transport pack. large tactical transport pack.