The BOSTONIAN from Men’s Ring Store is a multi-faceted 7.5 mm black Ceramic ring crafted with a rich, distinctive style for the most discerning buyer. Don’t be misled by cheaper imitations using a process called “black vacuum plating” whereby the black color is plated on the ring. Rich, elegant, and designed for the true ring connoisseur. The BOSTONIAN is protected by the Men’s Ring Store 30-day return policy with free lifetime warranty.