Water repellent heavy weight cotton canvas. 3 pockets: 23" (inches) zipper main compartment, 6 1/2" extension end pocket and 5 1/2" internal pocket. Grab handle for easy carrying. When you arms get tired of holding the bag you can use the detachable and adjustable shoulder strap. Strap has a snap hook closure. Shoulder duffle bags can be used to carry luggage, sports equipment, people who travel in the outdoors, and much much more. GI Government Issued style. Black color bag.