Features:
Made of high quality rubber material, eco-friendly and durable for long service time.
Soft and elastic, won't hurt the surface of guitar, not easy to break.
Small size and light weight, convenient to store and use, easy to install and remove.
Eliminate needless echo and enhance stage volume without disrupting placement or performance. 
Fits for 38'' / 39'' Acoustic Guitar Aperture, suitable for amateur guitarists or professional guitarists.

Specification:
Condition: 100% Brand New
Material: Rubber
Color: Black
Suitable for 38'' / 39'' Acoustic Guitar Aperture
Weight: Approx. 77g

Package Included:
1 x Guitar Sound Hole Cover

Note:
Please allow slight deviation for the color and measurement. Thanks for your understanding.