Stores reeds at ideal humidity level. 72% relative humidity requires minimal wetting for your reeds. Reed tips stay flat and are less prone to warping. Refill packs last 45 to 60 days.
Stable. Strong. Storage. The D'Addario reed vitalizer utilizes patented Humidipak technology to prevent your reeds from warping, keeping them fresh and stable in any weather condition. 
 
Prevents warping and reed damage
Keeps reeds stable in various climates