U7 A Quality Enamel Black Cufflinks Gold Tone Men Cufflinks Set For Wedding Business Shirt Made of environmental friendly copper,plated with 18K Stamp Gold Enamel black surface,classy cufflinks Diameter: 0.7" x 0.5",net weight: 15g/pair, 1 pair set. Match with a delicate black U7 Jewelry design gift box Nickel free