At 3/4 of an inch, the metal Hulk Atomic Symbol Dog Collar Charm shows off the symbol for those tiny, somewhat indivisible molecules that make up and the universe and give Marvel's Bruce Banner incredible rage monster powers! Just a pinch of gamma radiation and viola! The Incredible Hulk! Does your puppy woof woof share those same qualities? Well, you may want to get the Hulk Atomic Symbol Dog Collar Charm! Unfortunately, does not come with a ring or string to attach to your furry friend's collar so you may need to get creative.