This keychain has a stainless steel laser engraved charm with “ All it takes is 20 error messages, 75 bugs and 3 computer crashes to be a programmer” on it. The pendant measures approx. 1 inch across. This item is a multi-purpose convertible piece and the pendant piece of this keychain can be "un-clipped" to wear on a chain or necklace if desired. This item contains small pieces and is not intended for children under the age of 14.