Features: Guitar string muter eliminate string resonance and overtones, allowing you to play more music and reduce unwanted noise that disturbs your neighbors. Make of elastic diving cotton, softer and will not harm your guitar or bass. Easy to use, none tools or special installation required. The mute dampener is suitable for 6/7 string guitars, 4/5 string basses and other stringed instruments. It is a great auxiliary tool and perfect accessory for electric guitar and bass. Specifications: Material: Elastic diving cotton Color: Facials makeup white face/Facials makeup redness face/Facials makeup blue face/Facials makeup green face/Facials makeup purple face/Facials makeup black face Length: 18cm/7.09inch Package Includes: 1pc Guitar String Mute Dampener note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.