It is Onyx and mosaic mother of pearl. It comes with scrupulous craftsmanship and the finest materials. With incessantly evolving Daniel Dolce Italy collection of cufflinks are created from handmade glass, semiprecious and vintage stones, and sterling silver. This line also includes collar stays and pins, tie bars, and formal sets. These blue dragon circle onyx accessories will provide the perfect finishing touch to the modern gentleman's fashion ensemble.