Boveda 2-way humidity control keeps small instruments like ukuleles and violins in the ideal humidity zone for months while minimizing humidity fluctuations that can damage your instrument. B49 Standard—Ideal for MOST climates. *B49HA (High Absorbency)—Ideal for year-round high humidity climates ONLY (60%+).
Includes
- 1 Boveda refill packet
- 1 single (1-pouch) leak-resistant pouch holder