Jewellery Cleaner for Sterling Silver by Connoisseurs For a fast, convenient way to clean sterling silver jewellery, use Connoisseurs Silver Jewelry Cleaner in the Iconic Red Jar. Instantly removes tarnish and restores shine and brilliance to sterling silver necklaces, bracelets, rings, earrings, charms…and more. Ammonia-Free. 8 FL. OZ. (236 ml). Dip tray included. Not for use on precious or semi-precious stones, painted/antiqued or plated pieces, or any other type of metal. IMPORTANT: USE ON STERLING SILVER ONLY.