Perfect First Tuba!7/8 size BBb tuba includes clear lacquer finish, mouthpiece, and a fabric covered hard-shell case that has wheels. This easy to handle BBb tuba is 34" tall and has a 15" diameter upright bell. The 3 top action Monel piston valves have a bore size of .640". A robust, easy to play tuba with good intonation. This tuba comes with a 1 year warranty against manufacturer"s defects.