... time 4.size:40-75mm diameter,or else popular metal badge 1. MaterialIron, Copper, Zinc alloy , Pewter , Brass , Aluminum, Soft ... silver, Antique bronze,Antique copper, Antique nickel, etc. 4.CraftStamp, Die struck,Hard enamel, Imitation hard enamel, soft enamel, silk printing, offset ... first and the balance before shipment Huajin Gifts Professional in badge/Lapel pinsWelcome your inquiry(Huajin)