The Sunwayfoto Lens Cleaning Cloths (5-Pack, Black) contains 5 individually wrapped lens cleaning cloths. These cleaning cloths are made from pure cotton and feature a lint-free characteristic that make them usable on all optics and filters. Each 25cm x 18cm cloth is large enough to cover most optical surfaces. They are smooth textured and feature a high-absorption quality making them useful for removing fingerprint oils, dust, smears and dirt particles.