Guitar Sound Hole Covers with Hygrometer Folk Guitar Humidifier for Acoustic Guitar Care & Maintenance Enduring

Features: Made from Metal, and Silicone materials, ensuring a comfortable fit and protections for your guitar without causing any damage.
Easy to carry, safeguarding your instrument against environmental changes.
The unique ventilation holes and sponge of the guitar humidifier effectively prevent moisture leakage inside your guitar.
Tightly fitting into the sound hole, our guitar humidifier reduces sound feedbacks, minimizing unwanted noise during performances.
Our guitar sound hole covers humidifier features adjustable humidity control switches on the panel, allowing you to maintain optimal humidity levels

Specifications Materials: Metal, and Silicone
Diameter: about 111mm/4.37inch

Package Includes: 1pc Acoustic Guitar Humidifier

note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.