metal lapel pin 1.OEM is welcome 2.sample lead time is 7 days 3.MOQ is 500 pcs lovely cartoon metal lapel pin1) Material: brass/iron/aluminum/stainless steel/zinc alloy 2)Processes Variety of surface metals from hard enamel, imitation hard enamel, die struck soft enamel, photo etched, or printing pins are availabl 3)Available plating: gold, silver, bronze, nickel, black nickel, chrome, copper, ...