Cufflinks by Antonella Giomarelli Features Primary Material : silver Fitting Type : chain Dimensions (mm) : 40 x 18 x 10 One of a Kind : No Metal : silver Hallmarked : No Cleaning InstructionsClean gently with a soft old tooth brush and soapy water. This piece may be dipped in 'silver dip' to remove tarnish but should be washed thoroughly in clean water immediately afterwards.