Drfeify Guitar Sound Hole Cover, Black Rubber Cover Block for 38''/39'' Acoustic Classic Accessory Parts

Soft Rubber: Soft and elastic, which won't hurt the surface of guItar, and not easy to break. Soft Rubber: Soft and elastic, which won't hurt the surface of guitar, and not easy to break. Application: It can eliminate needless echo and enhance stage volume without disrupting placement or performance. Fit For: It designed for 38'' / 39'' acoustic guitar aperture, suitable for amateur guitarists or professional guitarists. Easy To Use: Small size and light weight, convenient to store and use, easy to install and remove. Good Quality: Made of high quality rubber material, eco-friendly and durable for long service time., Manufacturer: Drfeify