Cufflinks by Diana Greenwood A leaf design cufflink with a satin finish. Features Primary Material : silver Fitting Type : fixed bar Dimensions (mm) : Length 22mm One of a Kind : No Metal : silver Hallmarked : Yes Cleaning InstructionsTo clean, use either foaming silver polish with the sponge that is provided (or an old toothbrush) or silver dip. (Goddard’s make both, which is widely available.) Then wash in soapy water to remove the polish, rinse thoroughly in clean water, dry with kitchen towel to avoid watermarks and leave to dry out completely somewhere warm