It carries everything but the kitchen sink! At 20" H x 14" W x 8" D with a 31L capacity, our Kitchen Sink Backpack offers every conceivable innovation. Features include 600D polyester and nylon construction, top storage compression molded brushed optics compartment, and padded sleeve for up to 17" laptop. Cable zipper pulls allow you to lock and secure main compartment. Mid-body access flap includes an inner organizer. The bottom compartment has drainage ports for wet or soiled items (great for shoes). Interior printed lining, plenty of pockets, details, metal accents and tie downs. Ergonomically-designed adjustable padded shoulder straps with buckled sternum strap and dual mobile electronic holsters. Removable padded waist strap with extra pockets. Great brand exposure!