The practical violoncello mute is suitable for practicing the violoncello without disturbing your family or neighbors, reducing the volume without changing the sound quality, and no longer worrying about the sound of the violoncello disturbing others. Features -Color: Black -Material: Rubber -Size: About 3.50X3.50X1.40cm/1.38X1.38X0.55in - It can decrease the violoncello practice sound level to a minimum while maintaining sound quality. - Also, it has a simple structure design, which is simple and convenient for you to install. - Adopted form premium rubber materials, this mute is durable and wear resistant for long-term use. - Professional and practical design with beautiful appearance, it can fit your cello well. - High-grade rubber material makes it durable and flexible, which can effectively reduce the noise. Package list: 1 x Cello Sordine