Slide-Ez Trombone Oil helps keep the trombone slide nice and easy to use. So you can spend more time enjoying your playing.Champion Slide-Ezy - 50ml Bottle. Designed specifically to lubricate the trombone slide, it ensures a smooth slide action giving the trombone optimal performance every time. Made in the UK - European Safety Standard compliant - Odourless - Thin nozzle dispenser - Child safety cap.