This cufflinks is silver on silver version of the classic logo of the World Champion Boston Red Sox. Featuring a shiny raised logo on a matte plated silver background. Heavy duty 3 mm face thickness. Its Officially Licensed MLB Cufflinks. Celebrate the home team in style. Cufflinks constructed of enamel on a silver plated setting. Cufflinks feature a bullet backing for easy application. Its approximately 3/4" diameter, nickel plated silver, bullet back closure. Also available in Sterling silver.