The Yamaha Trombone Slide Cream Maintenance Kit is a high-quality maintenance solution for brass instrument players at any level. This kit includes everything you need to keep your trombone in top playing condition, including YAC1021P Trombone Slide Oil, YAC1078P Flexible cleaning brush, YAC1084P Brass mouthpiece brush, and YAC1098P Untreated polishing cloth. The kit also comes with an easy-to-understand care & maintenance manual and a re-closeable plastic bag for item storage. With its compact size and lightweight design, this maintenance kit is perfect for on-the-go musicians.