Guitar string dampener is made by sponge and plastic material, very sturdy and not easy to damage. This guitar string dampener is suitable for classical guitar and folk acoustic guitar use, which is very practical and convenient. A tool and perfect accessory for guitar. Features -Color:Black -Material:plastic, sponge -Size:8.30X1.70X1.00cm/3.26X0.67X0.39in - String dampener avoids unwanted noise and overtones caused by vibrations while you are practicing and performing. - The string muter is made of sponge and plastic material, high strength and good tenacity, won't damage your guitar strings when using. - Guitar string muter is easy to use, no tools or special installation required, quick and easy for installation. - String dampener is a nice training tool for the guitar beginner, can let you have a satisfying using feeling. - The string muter is suitable for acoustic guitar, folk guitar or other types of classical guitar. Package list: 1 x Guitar String Mute Noise Damper