Urban Sport Trailmaker Sling Backpack, 18 1/4" x 14 1/2" x 9 1/4" Color: Black and Gray Single strap offers an alternative for weight distribution across the back. CD pocket and audio port allow you to listen to music on the go./Organizer included. Polyester construction for durability. Padded back and strap for comfortable wear. Side pockets offer additional storage.