Silver Keeper (15-inch by 15-inch) Zippered Holloware Bag made from silversmiths" cloth that contains R-22, a tarnish preventative that protects polished sterling and silver-plate from tarnishing by neutralizing airborne sulfur (the cause of tarnish) for years. Holds a tea or coffee pot, 14-inch round tray, 15-inch salad dish, or a compote.