Lillian Women's School Rucksack Travel Polyester Sports Daypack Women Man Teen Imported Nylon - polyester lining. Design with superior material ,which is durable and nice. Special shoulder straps are ergonomically designed Size L 17 X H 13 X W 7 In Ultra-functional school backpack/daypack Single main compartment and front pocket with organizer for smaller items Stores 2 to 3 textbooks, binder, spiral notebooks, calculator, cell phone, and more