337RC Conn-Selmer Slide-O-Mix Premix

An easy-to-use, one-step trombone slide lubricant. rapid comfort is designed for the trombonist who wants the features of Slide-O-Mix, but in a quicker and easier application. Rapid comfort can be used when there is limited time for application. A quick and reliable solution in one! Apply it, spread it, and you're ready to go!