Everest Cleaning Cloth cleans dust, dirt, body oils/salts and fingerprints off any Rolex or watch while preventing smearing and streaking. It is fantastic at cleaning watches, eyeglasses or other high polish finishes. Each cloth measures 30 cm x 30 cm and doubles as a pocket square. The material is 100% Microfiber, so there is no chance of scratching or damaging your Rolex or delicate surface.