Features:
- Made of high quality rubber material, and for long service time, the guitar soundhole cover can safely insert into your guitar soundhole.
- Fits for 38'' / 39'' Acoustic Guitar Aperture, the guitar feedback buster replacement is suitable for amateur guitarists or professional guitarists.
- Eliminate needless echo and enhance stage volume without disrupting placement or performance.
- Soft and elastic, won't hurt the surface of guitar, not easy to break.
- Small size and light weight, convenient to store and use, this martin feedback buster is easy to install and remove.

Specification:
Condition: Brand New
Material: Rubber
Color: Black
Suitable for 38'' / 39'' Acoustic Guitar Aperture
Weight: Approx. 77g

Package Included:
1 * Guitar Sound Hole Cover