metal lapel pin material:Metal size:2cm-5cm plating:gold,nickel,bronze color:offset print and epoxy coated lapel pin Material : iron,zinc alloy,brass and so onSize:2cm-5cm (most popular size:1 inch )Tech:die cast,photo etchedElecplating:gold and siliver(popular),imitation gold ,antique copper ,nickel or blackLogo : (imitation) enamel,soft-enamel,screen printing,offset-ptinting or epoxy coating ...