metal enamel safety pin 1.metal pin badges 2.brass,iron,zin ... pin1. MaterialIron, Copper, Zinc alloy , Pewter , Brass , Aluminum, Soft enamel, Tin, Aluminum alloy or other Metal material , any material you ... copper, Antique nickel, etc. 4.CraftStamp, Die struck,Hard enamel, Imitation hard enamel, soft enamel, silk printing, offset printing , printing with epoxcy, sticker, Laser ...