Anti-Tarnish Tabs & Strips
Will not harm any metals or gemstones even when in contact with tab or strip
Safe on Opals, Emeralds and Pearls as well.
The insert material will not release corrosive gases like charcoal based products and is temperature and humidity independant. Safe and effective on all non-ferrous metals such as silver, brass, copper and bronze, as well as ferrouse metals (iron based).
Non-toxic, recyclable and environmentally safe.