Features Nylon 12" x 17" x 7" Nylon and Poly-Nylon Blend MP3 Portal B&S print nylon lining Black Description Harley-Davidson® #1 skull Uno classic back pack. This Backpack is made from five different nylon and poly-nylon blends for lasting durability. Uno sculpted rubber patch. Features B&S print nylon lining. Foam lined laptop pockets, key hooks, and assorted organizational pockets. Size: 12'' L x 17'' H x 7'' D.