It is an Onyx and mosaic mother of pearl. It comes with painstaking craftsmanship and the finest materials. The continuously evolving Daniel Dolce Italy collection of cufflinks is 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 Stylish Blue Flower Fountain onyx cufflinks are made to the highest standard and presented in a beautiful gift box. These accessories will provide the perfect finishing touch to the modern gentleman's fashion ensemble.