For a traditional look, soft enamel pins provide great quality at an affordable price. The enamel colors sit below the surface, giving these custom soft enamel pins an embossed look and feel. Product name Custom kpop enamel pin 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.