These trumpet mouthpieces are made of brass, which is durable and can be used for a long time. They are suitable for all types of trumpets, and these mouthpieces sound very good and do not distort the pitch. These are very good small accessories, they will provide you with a good service. Features -Color: Assorted color. -Material: Brass. -Size: About 8.10X2.00X2.00cm/3.18X0.79X0.79inch. -The accessories are abundant, easy to replace, and very convenient to use. -Strong, wear-resistant, anti-rust, they are not easy to deform and break. -They are suitable for all types of trumpets, and these mouthpieces sound very good and do not distort the pitch. -These practical trumpet mouthpieces allow you to get a loud and smooth sound. -After careful polishing, the surface is smooth and burr-free, so they can be used with peace of mind. Package list: 1 x trumpet head 6 x trumpet mouthpieces 1 x storage box