Cory Super High Gloss Piano Polish 8 Ounce Bottle for Pianos With High Gloss Finishes. If you have a high gloss piano finish, our Cory Super High-Gloss Piano Polish is simply the easiest and safest polish to use! It is specially formulated to clean and protect high-gloss polyester, polyurethane, and lacquer-finishes in one easy stepCory Super High Gloss Piano Polish 8 Ounce Bottle for PianosCory Super High-Gloss Piano Polish8 ounce BottleCleans and protects all high-gloss finishesNon-StreakingAnti-StaticEliminates Finger PrintsRestores high-gloss lustre