Bracelets by Sophie Harley Medium belcher chain oval link dimensions: 5x4mm. All bracelets have safety chain attached. Features Primary Material : sterling silver Other Materials : 22ct gold plating Length (mm) : 190 One of a Kind : No Hallmarked : Yes Cleaning InstructionsTo keep the silver shiny rub gently with a silver polishing cloth whilst trying to avoid the gold plated detail as much as possible.