The Yamaha Trombone YSL 200AD 657011 is a high-quality tenor trombone made of brass with a beautiful brass lacquer finish. It features a medium bore size and a Bb key, making it suitable for beginner, advanced, and expert players. This unit includes a hard case and a mouthpiece, providing everything you need for a complete playing experience. Made in Japan by the renowned brand Yamaha, this trombone is in tip-top shape and ready to be played for any occasion.