This Dual-Sided Super-Soft cloth has a remarkable high-ratio polyester/nylon blend with microfibers approximately one twelfth the diameter of a strand of silkperfect for attracting and holding oil, grease, dirt, grime, film, dust and other contaminants. Lint-free and nitrocellulose safe, it won"t harm chrome and polished surfaces.Two sides of tiny microfibers to clean and polish your guitar"s finish Safe for Nitrocellulose, chrome or polished surfaces