JanSport Run Around Backpack 600 Denier Polyester Imported Ultra functional school/daypack with 600D poly 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 Padded shoulder s curve shoulder straps 2250 cubic inches of storage; measures 18.5"x12"x9.4"