Keep your silver, brass, copper, bronze and other metals shining with these anti-tarnish tabs from Bead Landing. Just place one near clean, polished metal in an enclosed area, like a jewelry box or storage bag. Under normal conditions, each tab can protect your items for up to 12 months, if airtight! Store unused tabs in a sealed, airtight bag to maintain effectiveness.Details:Black1" x 1" (2.5cm x 2.5cm) tab size30 tabsFor use with silver, copper, brass, bronze and other metals that tarnishStore unused tabs in sealed, airtight bag