... ,zinc alloy it can be made follow client's demand Metal cufflinks with custom design 1. Material:zinc alloy,copper,brass,bronze ... ,copper,bronze,copper,nickel,antique colour. Package:one pc in a gift box or in an opp bag 2. Mold part ... ,photo etching.3.USage: Award,businee,souvenir,meeting,promotion,clebratation. Metal cufflinks with custom design