Whether this is being used in elementary school, middle school or high school, this backpack has so many storage features to help you stay organized. The main compartment features a full-length zipper to keep items secure and 2 interior open pockets. There are 3 other zippered compartments- a large one featuring convenient pockets for storing items like pens, a medium sized collapsible pocket that holds the included insulated lunch bag and a smaller pocket that's perfect for storing items like keys or your cell phone. Backpack also features 2 side mesh pockets to store your water bottles. All zippers feature metal zipper pulls. Included lunch bag is big enough to hold a sandwich and a bag of chips or fruit, is insulated and features easy to clean, eco-friendly, PEVA lining. Features a top handle and adjustable padded straps to carry on your shoulders. Back of backpack is also padded for maximum comfort. Backpack measures 12.5" x 9.5" x 17"