Soft Material-- Made of soft cotton material, without damage to your guitar strings.Weaken String Noise-- Help eliminate overtones and resonances, reduce unnecessary string noise of string instruments, which creates an excellent playing environment for your recording or live performance. And you can practice the guitar better while not disturbing other people.2 Size Strap-- It contains S and L size, small strap can be used with 6-string electric/wood guitar, classical guitar, four-string bass. Large strap is suitable for 7~10-string electric guitar, 5~10 -string electric bass.Widely Used-- Suitable for guitars, basses and other stringed instruments. A great assistant tool for guitar/ 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 and slide it to the head of instrument quickly when not in use.