Maintain the quality and longevity of your acoustic guitar with the -5 Guitar Humidifier. This high-performance device uses cutting- to regulate the humidity inside your guitar, keeping it in optimal condition. Its user-friendly design requires no additional setup, making it an for any guitarist. Features -Color:Assorted Color -Material:Pvc -Size:8.80X8.70X3.60cm/3.46X3.42X1.41in -Prevents wooden guitars from drying and cracking, significantly extending the life of your instrument. -Easy to use: just place the humidifier inside the guitar, and it automatically adjusts the humidity level. -Utilizes cuttingedge humidification technology to rapidly increase internal humidity, ensuring optimal performance. -Small and portable, this humidifier can be taken anywhere, providing continuous humidity protection for your guitar. -Constructed with pvc materials, it have durability and effective humidification. Package list: 1 x guitar humidifier