KISS Slam Series Group. Material Make-up: Silver Tone Base Metal, Hard & Glitter Enamel. Predominant Colors: Red, Black, White. Manufactured by: Pin USA. Available Only Through the HRCPCC "Dutch" Auction. States Limited Edition 100 on the back of pin. These pins measure 3 x 2.75 inches. Very difficult to find these now. This is our only set don't miss out.