Not too big, not too small, just the right size backpack. Made from Charm Packs or 5" squares of your favorite fabrics. An inside pocket holds essentials. The strap length is adjustable to fit your mood, carry it on your back or sling it over your shoulder. Also included are instructions to make it into a clutch handle style bag. The dimensions are approximately 13 1/2" H x 11 1/2" W x 2" D. This backpack uses the Medium Dritz Grommets (1").