JanSport Air Cure Backpack Ultra functional school/daypack with 600D poly/420D Nylon construction 2 large main compartments with laptop sleeve and large organizer built in Stores 4 to 5 text books, binder, notebooks, calculator, cell phone, pens, tablet, computer, power cords Yoke style padded shoulder straps 2200 cubic inches of storage; measures 18.5"x12"x9.4"