HAGERTY SILVER KEEPER 9 X 12 Sterling Storage Bag / Holder PREVENTS TARNISH! 9 X 12 Sterling Storage Bag to prevent your silverware from tarnishing Contains R 22 that slows down tarnishing by neutralizing tarnish causing sulphur This zippered storage bag is an excellent solution for keeping fine sterling, silver plate, and gold hollowware tarnish-free between special occasions 9 inch x 12 inch Zippered Bag holds a large gravy boat, tall compote, small tray, etc