Justice League Backpack 16 Top Zip w/Detachable Insulated Lunch Bag Deluxe DC Comics Justice League Backpack with Insulated Lunch Box. Be ready for any adventure with this Justice League backpack set featuring Batman, Superman, the Flash and Green Lantern. This DC Comics Justice League backpack with lunch box features artwork from the comics. DC Comics Justice League backpack for boys and girls alike measures 16 inches by 12 inches by 4 inches. Just the right size for back to school children. Zip closure; adjustable shoulder straps; top loop for hanging. Insulated Justice League lunch box feature a drop bottom for snacks. Officially licensed Justice League merchandise featuring Batman, Superman, the Flash and Green Lantern.