Cufflinks by Gilly Langton Sterling silver hammered cufflinks with a lovely weight and highly polished finish. Designed and handmade by contemporary jewellery designer Gilly Langton. Features Primary Material : sterling silver Fitting Type : hinged bar Dimensions (mm) : 20mm x 20mm x 5mm One of a Kind : Yes Hallmarked : Yes Cleaning InstructionsClean with s silver cloth or with hot soapy water and a sponge.