The D'Addario Micro-fiber Polishing Cloth is a long lasting cleaning cloth for all instruments that can be used with or without polishes. D'Addario Micro-Fiber Cloths traps particles deep inside its fibers which are 2000 times finer than a human hair. This eliminates the need for harsh cleansers. D'Addario microfiber cloths last considerably longer than ordinary cloths, and can be washed multiple times for lasting, repeatable performance you can rely on. Traps particles deep inside its fibers Eliminates the need for cleansers Lasts longer than ordinary cloths Can be washed and re-used Get one for every instrument and case From ultra-smooth cotton to lens quality micro-fiber, Keep your instruments finish clean using a variety of D'Addario polishing cloths.