Slide-O-Mix Trombone Lubricant gives your slide a fantastic glide. It is a 2-component liquid lubricant, which adheres very well to the slide surface. There is no sticking or stopping of the slide. Slide-O-Mix is very economical in use. Very helpful,. especially for beginners, is the fact, that no faults in dosing are possible. To meet all different dosing habits, you can get both components of the set also single.