Great design – so many uses! This backpack has an adjustable waist strap and padded shoulder straps with chest and hip buckle closures to hold the backpack securely on the body. The main compartment that rests on the body is padded for comfort. The exterior zippered section has an organizer with a zippered pouch that divides this section into two easily accessible compartments. It even has a key holder clip to keep your keys close at hand. It features a padded iPad compartment with a music pocket for easy storage of your digital music player. The backpack has two generously sized mesh pockets on either side. There are two generously sized, zippered compartments: the first has a conveniently placed cell phone holder. The main compartment has two sections, including a padded computer partition with a velcro closure for secure transport. The dimensions are 18" x 13" x 9". Colors: Sea Blue/Light Silver and Red/Black.