The Ultra-Plush Microfiber Cloth is the ultimate cleaning cloth specially formulated with soft ultra-plush fibers that give safe, gentle and effective cleaning for your most prized and delicate instruments. The Ernie Ball Plush Microfiber Cloth has over 400,000 microfibers per square inch providing twice the amount of leading competitors to quickly remove dust, dirt, grease and grime without harming the delicate finish. This cloth can be used with or without cleaning solution.