Tarnish and Corrosion Protection for: Jewelry & Watches, Silver & Gold Tableware Silverware, Brassware, Copperware and Coins. Protect silver jewelry and antique or collectable coins from tarnish and corrosion. Our protective bags are soft and woven with Zerust® anti-tarnish formula that surrounds your valuables and protects them against tarnish damage. The Zerust formula is FDA approved food-safe and can be used to store silver goods as well as earrings and other jewelry. The formula is non-toxic and residue free, and it makes a great accompaniment to your jewelry gifts. Silver Bag Size: 6" x 6"