... metal keychains keyring keyholder Materialzinc alloy, or iron, stainless steel, brass, etcSizecustomizelogo print logo or laser, enamel, laer, epoxy etc Attachmentkey ... ProcessDie Cast PlatingVarious plating by order, gold, Nickel, brass, copper, Silver, Anti-nickel, Anti-brass, Anti-copper Anti-gold, mat-gold, mat-nickel, etc.ColorSoft enamel ...