... :customized 3.Plating:silver,gold 4.your design is welcome soft enamel metal photos badge & Materials:iron & Technique:Plating & ... are zinc alloy, copper, bronze, iron,etc.2) Surface treatment: printed, painted, shiny/matte nickle,copper,silver or gold plated ... ,sandblasted,polished,soft enamel or any other treatment as requirement.3)Attachment:Safety pin;butterfly ...