It is a Druzy and Sterling Silver, available holiday 2010/spring 2011. Meticulous craftsmanship and the finest materials...The continuously 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 Asphalt Gems Cufflinks accessories provide the perfect finishing touch to the modern gentleman's fashion ensemble.