Monster Oil Grease | Synthetic Tuning Slide Lube for Trumpet, Trombone, French Horn, Tuba, Euphonium and other Brass Instruments SAVE MONEY by making your trumpet last longer and look better! STOP WORRYING about how dirty, smelly, and gross your trumpet is Make your trumpet PLAY and SOUND BETTER by keeping it clean MAKE OTHER people think "Why is that trumpet so clean?!" Package Contents: 1 .25oz grease tub