1. Made of high quality brass material, durable and solid enough for a long term use.2. Fits any model of trumpet mouthpiece, it gives great sound.3. with silver plating and the cups with gold plating, glossy and good-looking.4. With a good quality box to store them, to protect your mouthpiece not damp or damaged and against accidental scratches.Material: brasscolour: As shownPackage Contents: 1 x Trumpet Mouthpiece 4 x Trumpet Mouthpiece Cups(1 1/2C, 3C, 5C, 7C)1 x Storage BoxOnly 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.