Anti-tarnish strips from are pieces of a revolutionary, break-through technology invented and patented by AT&T/Lucent Technologies for anti-corrosion/anti-tarnish applications. These strips react with and permanently neutralizes the gases that cause unsightly tarnish.
Store your clean jewelry, silver and other precious metals and keepsake items (metal and non-metallic) in a dry container or ziplock bag. Do not store paper or other products within the same container.
Please note, that only physical or chemical cleaning can remove tarnish and oxidation that has already started. Anti-tarnish strips should provide protection for your valuables for up to 12+ months of continuous use depending on how well sealed the container is. You can order this product directly from Riogrande.com Item #401-525 or #401-526. Their phone number is 800-545-6566.