Material: brass, zinc alloy, steel for our option Size: 10mm through 52mm for your option. Special for negotiate Craft: die struck brass or steel, or die casting zinc alloy, cloisonne, immitation cloisonne, soft enamel, photo etched, offset printing or silk screen printing for your option Electro-plate: gold, silver, bronze, copper, nickel for your option. Or you can choose an antique metal finish. Thickness: 1.2mm (special for negotiate) Attachment: butterfly clutch, rubber clutch, safety pin for your option. Special for negotiate. Packing: individually in polybag or acryl box according to customer's requirement. Special for negotiate. Sample time: 7 days Production time: 7 days (special for negotiate) Payment: 30% deposit, balance before shipping (special for negotiate) Features: it's good for souvenir, promotion, publicity, sports etc. Shape and logo can be customized. 1pc/opp, 500pcs/ctn