GLOW IN THE DARK!!! Alien pin - Alien head in Sea foam green glow in the dark enamel - Gunmetal/ black nickel colored metal - Light gray screen printed highlights on eyes - 1.1" tall by .92" wide - Black rubber clutch - Cloisonné style hard enamel pin Add on a locking pin back here. Locking pin backs hold pins more securely so they are less likely to come off if the pin is pulled accidentally.