Our Astronaut Pin is made with the soft enamel process, is soft enamel color filled, black nickel plated. Perfect to wear on your jean jacket, guitar strap, tennis shoe or suit coat lapel. Product name Custom astronaut 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.