Tired of tarnished jewellery? Invest in a pack of our anti tarnish bags - they're a game changer! they work by using semi-conductor technology to transform plastics into a protective reactive barrier against corrosive gases, therefore protecting jewellery from reacting to air and in turn tarnishing. this is a 5 pack of 1x1 inch non-abrasive bags, making them perfect for individual pieces of particularly precious or important jewellery.