sulfur nickel label: 1.material: 100% nickel... 2.Surface treatment:Mirror finish, matte,CD grain 3.applied:digital&electric thin Electroforming decorative pieces: →Surface treatment technology:drawbench, sandblasting, dream color (laser), sloping grain, straight grain, Mirror finish, matte etc.; →Surface Color: mainly silvery white, golden, bronze-colored etc. color is according to customer requirements; →adhesive: 3M7533glue ( or double-sided adhesive)