A Smooth Finish. Carefully inlaid Black Onyx gemstones on 925 Sterling Silver cufflinks in a classic round silhouette are an elegant way to elevate any black-tie look. Handmade with 925 Sterling Silver with genuine black onyx gemstones Includes an anti-tarnish rhodium finish that makes for lasting wear Black Onyx inlay Packaged in black lacquered wood display box & a velour gifting & travel pouch