Specification: Size: 3C, 5C, 7C Color: Gold Material: brass Feature: Blowing the mouth set is a perfect gift for yourself or friends.It is made of sturdy and durable brass.Exquisite surfaces are engraved with letters to help clearly distinguish different types in a short time, no matter where you are.This suit is flexible, you can replace it according to the scene.The precise design ensures the good performance of the speaker blowing. Package Contents: 1 x 3C trumpet mouthpiece 1 x 5C trumpet mouthpiece 1 x 7C trumpet mouthpiece Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.