Features:
1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;
2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.
3.The function of this product is to separate the noise, buffering effect.
4.Scope of application: flat key euphonium / tuba / round rubber
5.Silicone material, flexible, not easily deformed.

Specifications:
Material:Silica Gel
Color:Black
Brand name: BQLZR
Size: 5.3x5.5mm/0.20x0.21 inch(LxH)
Weight: 3g

Package include:
10 x Rubbers