metal enamel safety pin 1.metal pin badges 2.brass,iron,zin alloy,etc 3.7day sample time,15day lead time ... 4.size:customzied metal enamel safety pin1. MaterialIron ... copper, Antique nickel, etc. 4.CraftStamp, Die struck,Hard enamel, Imitation hard enamel, soft enamel, silk printing, offset printing , printing with epoxcy, sticker ...