Timiy Pack of 2Pcs Black Guitar Humidifier Acoustic Guitar Sound Holes Humidifier Moisture Reservoir Prevent Cracking

Features: - Exclusive non-drip design releases moisture evenly and slowly. - The moister suspended by the strings without actually touching the instrument. - Easy to Eliminate fret and wood cracks to protect your guitar from dry weather. - The humidifiers stopper allows you to check the sponge status without removal of the unit and provides a tight seal when in place. - Guarding against cracks, warped necks, and shrinkage is now easier and less work preserving your instruments ultimate playability. Specification: Meterial: Plastic + Sponge Size: approx. 8x3.3x8.5cm/3.14"x1.18"x3.34" Package includes: 2 x Guitar Humidifier