The Herco line has been expanded and improved to become the “Complete Care System” providing players their best choice for top quality instrument care accessories. These maintenance kits include everything needed for proper care of your trumpet: Flex Brush, Spitballs, Valve Casing Brush, Polish Cloth, Mouthpiece Brush, Valve Protector, Slide Grease, Pure Formula Valve Oil, I.D. Tag and Complete Care instructions.