These rubber rings for trumpets are designed to offer practical sound muting. Made from durable rubber, they are built to last and provide consistent performance. practical for practice sessions, they help reduce noise, allowing you to play your trumpet without causing a disturbance. Their sleek design ensures they fit on your instrument. Features -Color:Black -Material:Rubber -Size:1.20X1.20X0.10cm/0.47X0.47X0.04in -Noise reduction efficiency: the trumpet rubber rings minimize noise, providing clear sound and protecting your ears from harmful noise -Precision sound isolation: these rubber rings isolate external noise, allowing you to focus on your performance of your music -Lightweight and portable: designed for ease of use, the trumpet rubber rings are lightweight and easy to install, making them convenient to carry and use anywhere -Durable construction: made from sturdy materials, the trumpet rubber rings are durable and resistant to wear, ensuring longterm use and reducing the need for frequent replacements -Versatile application: suitable for various settings such as practice, performances, and recording, the trumpet rubber rings cater to the needs of different musicians, improving your musical output Package list: 3 pcs x 30pcs x small rubber ring