• material:zince alloy .The surface is enamel.
• Pin size:4.4CM(1.73IN)
• They are good plating color.Due to the use of advanced technology, not easy to change color, no nickel, no lead, no chromium.Allergy free.
• Each pin is protected by a black gift box.
• I hope every product can bring you a good experience, and strive to be perfect.