... zinc alloy without coloring Gold plating Attachment: butterfly clutchx1pc+rhinestone 3D relief Lapel BadgeMaterial Options: Soft enamel lapel pins ... lapel pins,collar pins,trading pins,football pins,metal insignia,custom pins,promotional pins,sports pins ,Awareness Ribbon Pins ,Flag ... fine, raised metal detailing. The recessed areas of your custom designed pin are hand-enameled and then kiln-fired. ...