Crafted from materials, this trombone accessory kit features durable rubber and Rubber components that offer excellent support and cushioning. The water key pads and valve cushions are designed to fit , providing a secure seal and preventing leaks, while the rubber feet and bumpers protect your instrument from damage. Features -Color:Black -Material:Rubber -Size:1.10X1.10X0.40cm/0.43X0.43X0.16in -Efficient water release: the expertly designed water valve allows for quick and easy release, maintaining the dryness of your instrument -Key wear reduction: soft cushion pads help minimize wear on the keys, extending the life of your trombone -Secure instrument placement: rubber foot pads provide a secure base, preventing your trombone from slipping or falling -Universal compatibility: these professional accessories are compatible with various trombone models, optimizing your performance -Maintenance optimization: enhance the maintenance process of your trombone, ensuring a clear and pure tone Package list: 8 x Trombone Slide Rubber Protectors