Easy to use, this sound hole humidifier requires minimal effort to install and maintain. Simply place it inside the sound hole, and it begins to regulate humidity levels effectively. It provides reliable protection for your guitar, ensuring consistent performance and sound quality. Features -Color:Grey -Material:ABS -Size:8.50X7.60X3.00cm/3.34X2.99X1.18in -Prevents wood damage: protects your guitar from the harmful effects of dryness, reducing the risk of cracks and warping over time -Compact size for easy storage: small and unobtrusive, this humidifier fits effortlessly into your guitar case or sound hole without interfering with storage -Enhances sound stability: keeps your guitar’s tone consistent by maintaining the suitable humidity level, ensuring optimal sound quality -Ideal for seasonal changes: provides reliable humidity control during dry winters or in air conditioned environments, adapting to your needs -Design: designed for simplicity, this humidifier is easy to install and requires minimal upkeep Package list: 1 x Guitar Humidifier