Professional Trumpet Mouthpiece Meg 3C/5C/7C Size for Bach Beginner Musical Trumpet Product Made of high-quality copper alloy. Gold plating design, twinkling and stylish. Suitable for any intermediate to advanced players. New and high quality Mouthpiece size good for high register and also C trumpet Best choice for you, or giving your friends is a good idea For Yamaha or Bach, Conn and King Trumpet It is computer - aided design system and computer controlled lathe work together to produce the most precise mouthpieces Specifications: Material:Alloy Product Size: Approx. 8.5*2.7*2.7cm/ 3.35*1.06*1.06" Style: Meg 3C/5C/7C Size Color: Gold Silver (Option) Please Note: It is manual measurement, there may be 2-3cm error. And item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.hope understanding. Features: 1.Mouthpiece size good for high register and also C trumpet 2.Best choice for you, or giving your friends is a good idea 3.For Yamaha or bach, conn and king trumpet 4.It is computer-aided design system and computer controlled lathe work together to produce the most precise mouthpieces. 5.Moderate size, perfect feel, easy to carry. 6. Soft silicone protection at the bottom and top, comfortable to the touch, anti-slip and anti-slip. 7. Each button is Flexible, not loose, durable. Include:1 Pc Note: 1. Please allow 1-3mm differs due to manual measurement. 2. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.