Item Type: Trumpet Valve CapMaterial: MetalColor: Silver 1Superior Material: This trumpet valve cap is made of superior metal material, which is sturdy and wear resistant, ideal for long term use. 2Easy to Carry: The trumpet valve cap is small in size, so you can carry it around whenever you need it, so you can change it in time. 3Convenient Storage: The trumpet valve cap is very easy to store, so you don't have to worry about the trumpet valve finger button taking up space. 4Improve Accuracy of Keys: This trumpet valve cap helps to improve the accuracy of the keys, improve the smoothness of the playing, and make the sound made by the person using the instrument more beautiful. 5Applicable Scenarios: This trumpet valve cap is used to replace old, broken and missing buttons, so if you happen to have a need for this, then this is for you.