NPUSA Mens Large 19.5" Organizer Daypack Backpack School Bookbag Material: 600D Polyester for durable daily use. Available in: Black, ACU Digital Camo, Navy Digital Camo, Tan Music Audio Headphones port: listen to your favorite music hands-free 4 zippered front pockets, 2 front mesh pockets, 2 side zippered gusseted pockets, 1 main (fits up to 17" laptop) and 1 middle zippered compartment; Organizer: 2 open pockets, 2 pen slots Padded adjustable shoulder straps;Padded adjustable shoulder straps; Adjustable chest & waist straps with buckle snaps; Rear padded panel for extra comfort Rear padded panel for extra comfort Dimensions: 19.5"L x 13"W x 8"D; Volume: 2000 cu. in.