2 packs of 8 oz bottles. For pianos with a high gloss finish, Cory Super High-Gloss Piano Polish is the best product for using to polish your piano. It has been specially designed for cleaning and polishing high gloss piano lacquers, polyester or polyurethane. A big problem with the high gloss pianos is that they attract fingerprints and dust. Super high gloss piano polish can be used to remove these and can be used as often as necessary without winding. The high gloss piano polish also provides UV protection to prevent surface fading.