Cufflinks by Gilly Langton Dotty Bar cufflinks with a satin finish and lovely weight. Designed and handmade by contemporary jewellery designer Gilly Langton. Features Primary Material : sterling silver Fitting Type : hinged bar Dimensions (mm) : 20mm x 20mm x 3mm One of a Kind : Yes Hallmarked : Yes Cleaning InstructionsClean with soapy hot water and a pan sponge.