Features: Made of durable copper material, these valves caps ensure long lasting use without deformation. Simple Trumpet Accessories: suitable for the use of trumpet instruments and is convenient and simple to use. Designed for trumpet players of all levels, these button fastener tools are a must have accessory. Whether you're a professional musician or a beginner, this tool will meet all your needs. Perfect for music schools, orchestras, and personal practice session, these valves caps will enhances your performances and bring out the best in your instrument. Elevates your trumpet's appearance and functionality with the Small Button Button. With their fine craftsmanship and exquisite texture, these valves caps are not only practical but also add a touch of elegant to your instrument. Specifications: Material: Copper Size: As Shown In The Picture Package Includes: 12pcs/set Trumpet Button Buckle note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.