Cufflinks by caroline finlay Inspired by the shoreline, these cufflinks are an organic circular shape with a dotty texture embossed into the silver that can be seen below a layer of deep blue enamel. The fastenings are hinged and flexible to allow for a comfortable fit and to fold up when not worn. They have the Edinburgh Hallmark. Features Primary Material : silver Other Materials : vitreous enamel Fitting Type : hinged bar Dimensions (mm) : 20 x 20 x 1 One of a Kind : No Metal : sterling silver Hallmarked : Yes Finish : polished Cleaning InstructionsEnamel can be washed in warm soapy water with a soft brush if it becomes dirty. Vitreous enamel is glass and although pieces are fairly hardwearing, care should be taken not to apply force or scratch the surface. Tarnish on satin finished or polished silver can be removed with silver dip clean.