The new guitar case humidifier helps to prevent adverse effects such as bad string action, buzzing, protruding fret ends, cracking, top-sinking, and other damage caused as a result of dryness. 

Made of soft latex which is harmless to all instrument finishes, these humidifiers release moisture to maintain proper humidity levels. 

Includes a cover to seal the sound hole during use. 

Easy to follow instruction and a user friendly humidity gauge are included.