Key-Brite cleans, brightens, and preserves all plastic, ivory, ivorite, and wood instrument keys. Simple to use. Just spray six to eight inches from key surface and wipe clean the full length of the key. Its completely safe on all surfaces leaving a great “feel” and beautiful sheen to the keys. Key-Brite easily dissolves the wax build-up on sharps. Designed for use with the Cory Cleaner Cloth.