DC Comics Justice League Dog Tag Key Chains - Complete Set of 13 - Features Superman, Wonder Woman, Batman, Green Lantern, The Flash and More Complete Set of 13 Dog Tag Key Chains. Featuring Superman, Wonder Woman, Batman, Green Lantern, The Flash, Aquaman, Robin, and The Joker. Dog Tags measures approximately 2" x 1" and the ball chain measures approximately 4" long This is a great set for your DC Comic fan. Great as a key chain, zipper pull or party favors Officially Licensed DC Comic product.