Customized radio soft enamel pins. These are 4 different radio enamel pins, each representing a different era, and the colorful design makes the enamel pins full of vitality. Product name Color Radio Enamel Pin Badge Customized Material Zinc alloy / Stainless Steel / Iron Design 2D/3D, Custom shape+logo Technology Soft enamel , Hard enamel ,Die Struck Ect Shipping FedEx / DHL / UPS / TNT etc.