This diminutive bottle contains a slippery silicone fluid that will improve the hand slide action of any trombone. This lubricant is designed for those of you using Superslick or Trombotine slide cream. After applying the desired cream, one drop of Silicone Plus applied to each slide stocking will promote faster, smoother action, and increases the longevity of your slide cream. Made in the USA of non-hazardous components. 10cc bottle