... pin is made of iron in Soft Enamel, with nickel plated,mainly used for promotion gift. Yaohong Pins Mfg Ltd., ... , silk screen printing, offset printing, zinc alloy injection, 3D mold,die struckSize: according to the client `s requirementColors:Pantone ... DIC,Chart, Aoki cloisonne color chartPlating: gold, nickel, anti-gold,mat gold, anti-nickel, silver, etcAttachment: butterfly clutch, rubber clutch, ...