... 5. Best Service Detailed Production Description1) Item: promotional metal tin button badge2) Material: matel(tin, aluminium,stainless iron, stainless steel, zinc ... , offset printing, 4-color logo(Pantone CMYK) printing, etc.9) Accessories: clip, safety pin, magnet or needle butterfly clutch(tin badge ... have, please feel free to contact us. Promotional Metal Tin Button Badge