This professional polishing cloth is designed to clean and polish the finest gold, silver, or platinum jewelry and watches. The treated white side of the polishing cloth will restore luster without scratching or removing the finish. It has the approval and endorsement of many fine jewelers worldwide. DIRECTIONS: Use the treated white side of the polishing cloth on tarnished or discolored jewelry and follow with a few rubs of the colored side of the polishing cloth to achieve a gleaming luster. Do not use on plated pieces.