Mens Womens Large School Backpack Book Bag + Music Audio Port Multi Color Pockets Galore: 3 front zippered pockets, 2 velcro flap pockets, 1 side loading mesh pocket, 2 side zippered gusseted pockets, 2 side mesh pockets can fit water bottles, detachable zippered pouch with metal swivel hook. Eliminate all the unwanted clutter! Main compartment is dual zippered with padded rear panel for extra comfort and protection: ideal for books, folders, files, laptops, tablets, etc. Padded adjustable shoulder straps: achieve the fit you want Music Mp3 audio port on top and padded Mp3 player pocket in main compartment: feed your headphone cable through this port and connect to your Mp3 player or ipod in the main compartment music player pocket, set your favorite playlist to play and you're ready to listen to your favorite tunes hands-free when you wear the backpack. Dimensions: 17"L x 12"W x 6"D