Complete Piano Finish Cleaning and Care Kit for Satin Finished Pianos Kit includes Cory Cleaner and Polisher microfiber cloths Includes 4 ounce sizes of Cory Pre-Polish Finish Cleaner, Key-Brite and Satin Sheen Complete cleaning and care kit for pianos with satin finishes. This kit includes both the Cory Cleaner and Polisher cloths as well as 4 ounce bottles of Cory's Pre-Polish, Key-Brite and Satin Sheen.