These pieces of anti-tarnish silver polishing cloth are made to keep jewellery flawless, sparkling, and clean. The set of 30 (each measuring 10.8X6.8 cm) comes in convenient black pouch. Each cloth allows double side usage, with the velvet on each is embedded with a silver cleaner and anti-tarnish agent. The cloth makes it easy to clean tarnish and is also safe and convenient to use. A gentle rub from time to time will keep your silver looking clean and bright at all times.