... brass or zinc alloy Fashion Metal Enamel Lapel Pin with Custom Design:Material: copper,znic alloy,iron Technical: die-casting ... ,stamping,plating,paint,enamel Usage:business gift:decoration ... badge Optional:Stamping,Die-cast,Injection,Photoetching,immitation hard enamel/Hard enamelMaterial:Brass badge Optional:Brass,Zinc alloy, ...