The Ernie Ball Acoustic Guitar Sound Hole Cover is a must - have for acoustic - electric guitar players. It effectively suppresses unwanted noise and feedback, giving you a cleaner and louder sound output. Crafted from durable rubber, it's soft and won't scratch your guitar's surface. This cover fits most acoustic sound holes, especially those of full - size guitars with around 4” (10 CM) sound holes. It's super easy to install, no tools needed! Not only does it protect your guitar from annoying screeches and hums, but it also keeps dirt and debris out of your instrument. Key features include its suitability for full - size guitars, durable rubber material, noise and feedback reduction, and hassle - free use.

Using the Ernie Ball Acoustic Guitar Sound Hole Cover is a breeze. Just find the sound hole on your acoustic - electric guitar. It's designed for full - size guitars with about 4” (10 CM) sound holes, so make sure it fits yours. Then, simply place the cover over the sound hole. No tools are required, so you can do it quickly. When it comes to maintenance, you can clean it with a soft, damp cloth if it gets dirty. As for storage, keep it in a dry place when not in use. Also, be gentle when removing and installing it to avoid damaging the rubber or your guitar's surface.