enamel key rings its mainly custom made in good quality with competitive price. custom designs are welcome. enamel key rings material: zinc alloy, stainless steel, brass, aluminum, pvctechnics: die cast, plating, offset printing, anodizing, enamel, epoxylogo can be offset printing, debossed, embossed, etched, laser engraved, etc.customers' design are welcomed! enamel key rings