Even in drippy locales, keeping wood instruments in great condition is no sweat with these High-Absorbency Boveda. They're specially designed to absorb 3x more moisture than Boveda 49% RH (relative humidity).

Using High-Absorbency Boveda in an instrument case:

• Protects wood instruments that are exposed to year-round extreme humidity of 50+% (Lower humidity? Choose Boveda 49% RH for wood instruments.)
• Prevents warping and mildew build-up
• Curbs humidity fluctuations that throw off an instrument's measured alignment and cause permanent damage (think going in and out of air-conditioned venues, traveling by air, performing outdoors, etc.)

Automatically maintains constant RH between 45% and 55% for instruments in high humidity climates, including:

• Acoustic guitar
• Hollow-body guitar
• Nylon string guitar
• Semi-hollow body guitar
• Guitarrón
• Hollow-body bass
• Cello/ violoncello
• Double bass/upright bass
• Bass clarinet
• Bassoon

A 4-Pack refills:

• Directional Starter Kit
• Small Starter Kit
• Large Starter Kit
• Single Fabric Holder
• Double Fabric Holder