Music Nomad's All Purpose Key ONE Cleaner is everything you need to maintain keyboards, piano keys, and matte-finish pianos in one easy step--simply spray and wipe. This formula is safe on all surfaces, and a single spritz cleans fingerprints, dust, and smudges like no other product. Streak-free and residue-free, it leaves a beautiful, clean surface, with anti-static agents to help reduce the attraction and binding of dust. Music Nomad products are used worldwide by musicians, repair shops, collectors, and instrument makers.