... Custom key rings, key chain, metal key holder with soft enamel or company logo on for promotion. Good quality personalized. Customize metal key chain, key ring, key holders with your ... DAY1 Material: Zin Alloy, or Iron or Brass2. Processing: Polish, plating( gold or silver or brass etc) , soft enamal.3. ... (s), and the products are not for sale. custom key ring, metal key ring, metal key chain, key tag