Roche Thomas RT34 Trombone Slide Cream Roche-Thomas Corporation specializes in musical instrument care products and has been providing the tools to provide proper maintenance for musical instruments for over 30 years. Roche-Thomas Premium line of lubricants are formulated and bottled in our facilities using a special filtering process that eliminates impurities and residue. Our trombone slide cream comes in a 1 oz container. It is a silky smooth cream that won't leave your instrument greasy and waxy. Made in the USA