Features：
Trumpet Mute - Trumpet sliding ring is small, lightweight and easy to carry, and can be used whenever you need it
Trumpet Muffler - Rubber trumpet rings are strong, durable, not easy to damage, easy to use
Trumpet o Ring -- Enough amount of trumpet slide ring to meet your daily use or replacement needs
Trumpet Musical Instrument Ring - Trumpet Slide Bumper; Trumpet Accessories, Trumpet Tuning Tube Rubber Rings are noise-resistant, resilient and easy to use
Trumpet Slide O-Ring - Excellent workmanship, trumpet ring has good use effect, good replacement, replace old or broken one

Specification:
-Color:Black
-Material:Rubber
-Size:1.20X1.20X0.10cm/0.47X0.47X0.04in

Package Including:
20 x Trumpet Rings