Can be used conveniently at the display case. Enhanced formula works to maintain silver’s patina while guarding against tarnish for months. Contains R-22, the world’s longest lasting, patented tarnish preventive agent. Formulated for silver, silverplate, and gold. Ideal for cleaning display silver, items with porous materials that cannot be rinsed, and pieces with intricate pattern work. Made in the USA. 8 oz.