★ ELEGANT MOUTHPIECE - The trumpet mouthpiece is made of qualified material with smooth and wear-resistant surface. Easy to wipe and keep them clean. | ★ SUITABLE FOR DIFFERENT LEVEL - 7C is suitable for beginners or children with small lips, 5C is suitable after some exercises, then 3C is suitable for the professional players. There are 3 packs for most trumpet players choosing. | ★ COMPATIBLE WITH MOST TRUMPETS - The mouthpiece is compatible with most of the trumpets. | ★ QUALIFIED CRAFT - Made of qualified metal and the surface is polished. The size is 8.7*2.7*2.7cm. The inner radiusis 0.8cm and outter is 1.0cm. | ★ PERFECT FOR GIFT - It can meet the requirements of different occasions such as schools, concert halls, bars, families, band practice areas and performers' learning stage, as a gift for trumpet beginners, professional players, children, and adults.