Microfiber cloth is designed for use on glass and mirrors. Delivers superior cleaning performance and durability. Dense "Ultra-Fine" quality fiber removes more dust, dirt and bacteria than conventional cleaning products. Microfiber cleans 45 percent faster and uses less chemicals and water. Absorbs up to seven times their own weight in liquid. Nonabrasive microfiber cloth is designed for streak-free hand-cleaning of most any surface. Can be used dry or slightly damp to remove spots and fingerprints. No chemicals needed. Can be extensively laundered.