Do you need durable trumpetaccessories namedtrumpetmute ? If so, take a look at thesetrumpet slide o rings . Using rubber materials, unique design and exquisite craftsmanship ensure its popularity and practicality,does not affect the original one of the instrument effect. Features -Color:Black -Material:Rubber -Size:1.20X1.20X0.10cm/0.47X0.47X0.04in - Made of rubber, the trumpet rings are strong and durable, not easy to damage, easy to use, long service life. - Trumpet slide rings are flexible and reliable, suitable for trumpet, cornet, with good use effect. - Trumpet slide rings are small, light weight, easy to carry with you, you can take out at any time to use when needed. - You will obtain large quantity of trumpet slide rings, abundant enough to satisfy your daily using and replacing needs. - Excellent craftsmanship, trumpet rings have good use effect, a good replacement, replace the old and broken one. Package list: 20 x Trumpet Rings