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. Silver Bag Size: 8" x 10" . One bag.