Trumpet mouthpiece. ■Manufacturer: BRAND ■Model Number: 5C (Equivalent to Bach 5C) ■Outer Box: None ■Condition: Good condition with little signs of use. Revolutionary resin mouthpiece from Switzerland. Recommended for those with metal allergies or those who play outdoors in winter. The turbo bore processing provides volume and tone comparable to metal mouthpieces. The response is very good, making it suitable for condition adjustment.