The Vincent Bach Corp. 18 Tuba/Sousaphone Mouthpiece is a high-quality brass mouthpiece designed for both beginner and advanced players. Made in the United States, this medium cup depth mouthpiece features a wide rim and a silver plated finish. The Bach brand is known for its durability and excellent sound quality, making this mouthpiece a reliable choice for musicians looking to enhance their performance on the tuba or sousaphone.