DG-PP. Brutus Bull dog Self Defense Keychain- Purple Brutus Bull dog Self Defense Keychain- Purple. Made of very strong ABS plastic that is unbreakable. This plastic is as strong as metal. It is very easy to carry. You can attach it to your keys. You put your fingers through the eye holes and the tips of the ears can be used to defend your self against an attacker. 3.5" x 2.5".All belt buckles Panterrra