JanSport SuperBreak Backpack Multi O X O - JanSpor Ultra-functional school backpack/daypack with 600-denier construction Single main compartment and front pocket with organizer for smaller items 1,551.2 cubic inches of storage; measures 13 x 16.7 x 8.5 inches (W x H x D) Stores 2 to 3 textbooks, binder, spiral notebooks, calculator, cell phone, and more