Description:

【HUMIDIFICATION SYSTEM】: It is the only maintenance , two way humidity control system for guitar. Includes pouches and guitar humidifier packs.
【PROTECT YOUR GUITAR】: Protects your instrument against warping, cracks and other damage cause by lack of humidification.
【TWO WAY HUMIDITY CONTROL】: The first two way humidity control that maintains a constant 45%~50% relative humidity level within your instruments case
【AUTOMATIC HUMIDIFIER】: It automatically maintains the optimal 45%~50% relative humidity level within your instrument case, eliminating the guesswork and potential mess related to refilling a humidifier.
【AUTOMATIC ADJUSTMENTS】: No more manual adjustments based on seasonal changes, geographic locations, temperature, or other factors refillable humidifiers.

Specification:

Material: non woven fabric

Size Chart:

Style A: 12cmx9.5cm/4.72inchx3.74inch
Style B: 12cmx7.5cm/4.72inchx2.95inch

Package Includes:

Optional Package

3 Guitar Humidifier Packs1 Cloth Bag

or 

3 Guitar Humidifier Packs

Note:

Please allow slightly errors due to manual measurement and different monitors.