The Schneider 12×15 Inch Photo Clear Microfiber Lens Cleaning Cloth helps you keep your lens in top-notch condition. It is made of a durable poly-nylon microfiber fabric. This laboratory-tested cloth is free of chemicals and doesn't leave back any lint. You may use this microfiber cloth with the separately available Schneider Photo Clear Lens Treatment Fluid for more efficient cleaning. The cloth is washable and can be reused for a long time. It comes in a plastic envelope in which you can store the cloth when not using it.