... :brass process:die struck injection:imitation hard enamel size:according to client's inquiry enamel cufflinks Materialzinc alloy,brass,iron,stainless iron ... ,aluminum etcProcessDie struck, Die cast, Stamped, Photo Etched, Soft enamel, Cloisonne, Imitation Cloisonne, offset printed.Platinggold,antique gold,,silver,antique ... , and we can make the design for you as well. metal enamel cufflinks