The -5 Guitar Humidifier is crafted from pvc materials, ensuring durability and reliable performance. This humidifier is designed to be simple to use; just insert it into the guitar's sound hole, and it will start working immediately. No complicated setup or maintenance is required, making it for musicians of all Features -Color:Assorted Color -Material:Pvc -Size:8.80X8.70X3.60cm/3.46X3.42X1.41in -Shields your wooden guitar from dryness and cracks, prolonging its usability and preserving its quality. -Simple operation: insert the humidifier into the guitar, and it will selfregulate the humidity without any extra effort. -Highefficiency humidification technology swiftly boosts internal humidity, maintaining the best playing conditions. -Lightweight and compact, it’s easy to transport, ensuring your guitar stays protected wherever . -Built with pvc materials, this humidifier ensures durability and reliable performance over extended periods. Package list: 1 x guitar humidifier