3PCS Guitar Humidifier Packs, Humidity Control Bag for Acoustic Guitar Bass Violin, Dual Way Humidification System with Cloth Bags, Automatic Regulation for Optimal Humidity Protec (3 Humidifier

Item Type: Guitar Humidifier PacksApplication: Acoustic Guitar, Classical Guitar, Electric Guitar, Bass, Violin, Cello, Banjo, Mandolin, Ukulele, and morePack Size: Approx. 12 x 7.5cm / 4.7 x 3inPackage List：3 x Guitar Humidifier Packs2 x Cloth Bagsor3 x Guitar Humidifier Packs

• DUAL WAY HUMIDITY CONTROL: These guitar humidifier packs provide two-way humidity control, maintaining a stable relative humidity level of 45-50% inside your instrument casing. Perfect for protecting your acoustic guitar, bass, or violin from warping and cracks caused by dry conditions.
• AUTOMATIC REGULATION: The humidifier packs automatically adjust to maintain optimal humidity levels inside your instrument case, eliminating the need for manual adjustments based on season, location, or temperature changes. Simply place them inside and let them work.
• WIDE COMPATIBILITY: Designed for a variety of instruments including acoustic guitar, classical guitar, electric guitar, bass, violin, cello, banjo, mandolin, and ukulele. These versatile packs ensure your prized instruments stay in perfect condition year-round.
• EASY TO USE: Compact and lightweight, these humidifier packs can be conveniently placed inside your instrument casing or at the sound hole. The included cloth bags make placement effortless and keep your instrument clean.
• COMPLETE PROTECTION KIT: Each set includes 3 guitar humidifier packs and 2 cloth bags, providing comprehensive humidity control for multiple instruments. The packs measure approximately 12 x 7.5cm (4.7 x 3in), ideal for most standard instrument cases.