This trumpet mouth shape practice lip , made of , is practical and durable for use. The material is not easy to deform and damage, long-serving life. This trumpet mouth shape practice lip can bring you much convenience for your trumpet learner. Features -Color: Silver -Material: Silver plated brass -Size: About 8.70X2.70X2.70cm/3.42X1.06X1.06in -It is of good material and , great to replace your old or one, very practical. -The teacher can intuitively see whether the shape of the student's lips is correct, and students can also see The teacher imitates the mouth shape when playing. -Good feel and simple appearance. This is a great gift for your friends and family who are a trumpet beginner. -The shape of this lip is similar to that of a trumpet . Suitable for professionals, beginners and students. -Good materials, safe to use. Replace the old or broken trumpet mouth shape practice device with a new one. Package list: 1 1