The D'Addario pre-treated polishing cloths are produced with a cleaner built into the cloth, eliminating the need for extra polish. The fastest and easiest way to maintain the luster of any instrument. Made from high-quality double napped cotton flannel Cleaner built into the cloth so there is no need for extra polish Long Lasting Essential for complete guitar care Cleaning made fast and easy From ultra-smooth cotton to lens quality micro-fiber, Keep your instrument's finish clean using a variety of D'Addario polishing cloths.