HW heavy weight 600 denier polyester - p.p. Webbing. MOLLE compatible. Heavy duty zippers. Polyurethane coated lining and pockets for water repellency. One large main compartment with zippered pouch and mesh pocket. Three additional pockets and storage compartments. Adjustable padded shoulder straps. Padded back w/breathable mesh backing. Top carry handle. Great for school, camping, hunting, back packing, etc. GI Government Issued style. Black and Olive Drab medium transport pack. One large main compartment with zippered pouch and mesh pocket 17" x 8.25" x 4.25". Three additional pockets and storage compartments 16" x 7" x 3.25", 10" x 6.5" x 2.25" and 3.5" x 6.5" x 2.25". Medium tactical transport pack. Total Bag Dimensions: 17' x 10" x 9".