Koala Mailman Two-Side Keychain + Magnet + Pinback Button, 2.25" Koala Mailman Two-Side Keychain + Magnet + Pinback Button, 2.25" 2-side Keychain,pin and refrigerator magnet with same design are 2.25 inches with a hard mylar covering protecting fade resistant pigment These are fun birthday gifts and perfect socking stuffers. Choose koala characters your family and friends can relate to!