Magic Cleen Microfiber Cloth is a cleaning cloth composed of microfiber material that is useful for clean surfaces without harsh chemicals or detergents. Microfiber is a synthetic material made from polyester and polyamide (nylon) fibers. These fibers are perfect for cleaning because they are incredibly thin and may hold dust, grime, and other particles. Microfiber cloth is helpful for polishing, shining, cleaning electronics, polishing jewelry, and cleaning cars..