stamp bike tag material:aluminum process:die struck size:according to client's inquiry stamp bike tag 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 silver,bronze,antique bronze,copper,antique copper,nickle,black nickle etcSizeCustomer’ ...