... , Injection, Photo etching, imitation hard enamel/Hard enamelMaterial:Brass, Zinc alloy, Stainless steel, Iron, Pewter, Aluminum, Soft PVCPlating:Gold,Anti-gold,Pearlized ... ,Various sizes acceptableLogo:Soft enamel color, Silkscreen/offset printing, Laser, Engraved, EmbossedColor:Color reference: Pantone color chart.Epoxy:Epoxy coating(optional)Attachment:Butterfly ...