"Garibaldi TBDC1 Elite Trombone Double Cup Mouthpiece Size DC1 The Garibaldi Classic Trombone Double Cup Elite Mouthpiece is the perfect choice for any Trombone player looking to improve their sound. Crafted with precision and attention to detail, this mouthpiece features a unique double cup design that provides enhanced projection, articulation, and tone. The Garibaldi Classic Trombone Double Cup Elite Mouthpiece is constructed from top-quality materials. Its precision-crafted design provides smooth and even response across all registers, making it an excellent choice for both beginners and professionals alike. The double cup design allows for improved flexibility and range, making it an excellent choice for all Trombone players. This mouthpiece is precision-engineered to provide a consistent and reliable performance, with smooth and even response across all registers. Its carefully crafted design ensures that every note is clear, focused, and full of character, making it a favorite among professional Trombone players and music educators alike. Details: CUP SIZE: GAR-ELITE-TBDC1, EXT RIM SIZE: 44.19mm, INT RIM SIZE: 25.20mm, THROAT: 4.77mm, CUP DEPTH: Double Cup"