DescriptionThis is a violoncello sordine, which is made of good rubber material, durable and practical enough to use. It can effectively reduce the volume of practice and have a good sound reduction effect. Share with your friends and family as it is a wonderful gift.Features-Color:Black-Material:Rubber -Size: About3.50X3.50X1.40cm/1.38X1.38X0.55in - Take seconds to fit it on the bridge for violoncello. Will not scratch violoncello and cello bridge. - Moreover, during use, only the front volume is changed without changing the sound quality of the violoncello. - The violoncello mute is made of premium rubber material, which is light, durable and flexible, and will not cause damage to the bridge. - This cello mute is a practical and perfect accessory for beginner to practice violoncello. - It can be given as a gift to your friends who are studying cello, they will be very happy.