Protection Function: The humidifier pack is mainly used to protect musical instruments from warping, cracks, and other damage caused by a lack of humidity.
Two Way Humidity Control: This humidifier pack provides two way humidity control, and can maintain a relative humidity level of 45‑50% inside the instrument casing.
Automatic Regulation: Automatically maintain the optimal humidity inside the instrument casing, no manual adjustment required based on season, location, or temperature.
Applicable Instruments: These humidifier packs are suitable for acoustic guitar, classical guitar, electric guitar, bass, violin, cello, banjo, mandolin, ukulele, and more.
Convenient Use: These humidifier packs are compact and lightweight, can be placed inside the instrument casing or at the sound hole, convenient and practical.
3PCS Guitar Humidifier Packs Humidity Control Bag Dual Way Humidification System for Acoustic Guitar Bass Violin 3 Humidifier Packs with 2 Bags