Size 8 is the right size Boveda for a case or tube for a bow used with a violin, viola, cello, bass or other stringed instrument

Using Boveda:

• Requires zero maintenance—no more filling messy hoses and snakes and wetting sponges
• Maintains an ideal relative humidity range for bows and woodwinds—45-55% RH
• Prevents humidity fluctuates to limit bow hair movement
• Reduces expansion and contraction of wooden instruments

*Place your humidity pack in the Boveda Mini Fabric Holder for ultimate protection!*