Soft Enamel are one of the most popular production and that the price is low price than Hard and Imitation Enamel Lapel Pins if cost is a factor detail the best choice for these. For vulnerable to scratch and high temperature so that Epoxy is often applied to protect the pins from scratching.

Material: Copper, brass or iron (for less expensive pins)
Thickness: Thickness is various depending on the size of design.
Plating: Gold / Antique Gold / Silver / Antique Silver / Nickel / Black Nickel / Antique Nickel / Copper / Antique Copper / Brass / Antique Brass / Dyed Black
Epoxy coating: With or without (Optional)
Attachment: Military Clutch / Rubber / Tie Tack / Screw Back / Safety Pin / Cuff Links / Magnetic / MORE
Color reference: Pantone Color Chart