The Diadora Junior Squadra Backpack is made of 420 denier nylon with PVC backing. It has a front vented ball pocket, side vented shoe tunnel, and side accessory pocket. There is also a slanted side zipper for easy access to the side pocket and shoe tunnel. This bag also has front jacket straps, a new ergonomically friendly design and padded anatomically shaped shoulder straps. Dimensions: 14" x 15" x 9".