Earrings by John & Dawn Field These small heart ear studs are made from sterling silver and they measure 8mm in diameter. The ear backs and posts are made from sterling silver. We also make a number of matching necklaces and bangles. Features Main Material : sterling silver Fitting Type : Post or Stud Dimensions (mm) : 8 x 8 x 1.5 One of a Kind : No Metal : sterling silver Hallmarked : No Wire Material : sterling silver Cleaning InstructionsThese ear studs have been finished with a clear, protective, anti-tarnish coating.