Everything you need to comfortably transport your books, papers and daily necessities. 600 denier polyester Large main zippered compartment Pockets and pouches for optimum organization Adjustable, detachable padded shoulder strap Dimensions: 11.75'h x 15.75'w x 6'd (expanded); Approx. 1,100 cubic inches (expanded) Bags not intended for use by children 12 and under.