The Eastman ETR24RS Professional Series Bb Trumpet is tuned to the key of Bb and is ideal for experienced players. The silver-plated trumpet features a .459” medium large bore, a reverse leadpipe for tonal consistency and a one-piece, standard weight, yellow brass bell. Along with a Shires USA 3C mouthpiece, the Bb Trumpet also comes with a protective deluxe case with storage pockets and convenient backpack straps.