This trombone accessory set is designed to provide optimal support and protection for your instrument. The water key pads and valve cushions ensure a secure fit and smooth operation, while the Rubber key supports and rubber feet offer stability and durability. for maintaining your trombone's performance, this kit is a must-have for any trombone player. Features -Color:Black -Material:Rubber -Size:1.10X1.10X0.40cm/0.43X0.43X0.16in -Efficient moisture management: the water valve is designed for efficient moisture management, keeping your trombone dry and ready to play -Key protection: soft pads provide excellent protection for the keys, reducing wear and tear -Stable instrument placement: rubber foot pads ensure stable placement, preventing accidental slips and falls -Suitable : these accessories are suitable for all types of trombones, enhancing your overall playing experience -Optimized maintenance: enhance the efficiency of your trombone maintenance, ensuring a clear and pure tone Package list: 8 x Trombone Slide Rubber Protectors