This product is made of materials, durable and practical. If you are looking for a trumpet press button. Don't hesitate, our product is perfect for you, you can also give it as a present to musical instrument players, they will love it. Features -Color: Golden -Material: Copper. -Size: About 2.20X2.20X1.40cm/0.86X0.86X0.55in - Made of copper material, practical and durable, long-term use. Durable, can be applied for a long time. - This is a great present for instrument players, they will love it. Great present for musical instrument players, they will be happy. - The product is suitable for the use of trumpet instruments and is convenient and simple to use. - craftsmanship its durability and popularity. Made of material, which is practical and durable to use. - The workmanship of this product is perfect, and you will have a good experience in using it. Package list: 3 x Upper Covers 3 x Lower Covers 3 x Press Covers