Music Nomad MN131 All Purpose Key ONE Cleaner, 4 oz., for Keyboards, Piano Keys and Matte Pianos Cleans and protects keyboard instruments, keys, and matte pianos Safely removes fingerprints, dust, and grime Anti-static formula keeps dust from binding to all surfaces Residue-free pro formula for long-lasting, quick, and easy results Music Nomad products used worldwide by musicians, repair shops, collectors, and instrument makers