Jansport - 20" Duffel Pack (Black) - Handbags: Conveniently converts to a backpack for an added carrying option. Compression straps for controlling the load. External accessory pocket keeps the essentials handy. Detachable shoulder strap. Wrap handles. Rainwelts protect against the elements. Volume: 2400 cu. in. (39.3 L). Weight: 1 lb. 5 oz. (0.6 kg). Dimensions: 10.5" h x 20" w x 12" d. Fabric: JanSport 600 Denier Poly.