... 5. Best Service Detailed Production Description1) Item: promotional metal tin button badge2) Material: matel(tin, aluminium,stainless iron, stainless steel, zinc alloy, bronze ... decoration, etc.8) Printing techniques: 175g coated paper around the tin material, metal/plastic backing; silkscreen printing, offset printing, 4-color ... have, please feel free to contact us. Promotional Metal Tin Button Badge