Features: Material: Guitar strings noise damper muter wraps is made of stretch flannelette material, without damage to your guitar strings. Weaken String Noise: Help eliminate overtones and resonances, and reduce unnecessary string noise on string instruments. Guitar String Mute Strap: 4 color options; Dimensions is approx.18.8x2.5x2cm/7.40x0.98x0.78in can be used with 6-string 7-string guitar. Widely Used: Very suitable for guitars, basses and other stringed instruments. A great assistant tool for guitar or bass players. Easy To Use: Easy to install and remove, no tools or special installation required. You can adjust the strap to fine tune your dampener pressure. Specifications: Material: Flannelette Color Options: 4 Colors are Available as Shown in the Picture. Package Weight: approx.8g Expand Size: approx.18.8x2.5x2cm/7.40x0.98x0.78in (More Size Detail, Please See Photo.) Package Includes: 1Pc Guitar Mute Wraps note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!