custom copper cloisonne lapel pin Material: copper Lead free certificate Customized logo MOQ: 100pcs custom metal lapel pinmaterial: brass, zinc alloy, steel for our optionSize: 10mm through 52mm for your option. Special for negotiateCraft: die struck brass or steel, or die casting zinc alloy, cloisonne, immitation cloisonne, soft enamel, photo etched, offset printing or silk screen printing for ...