Don't let your instrument dry out.
The Dampit Cello Humidifier protects your cello from damage due to excessive dryness. A soft rubber sleeve encloses a special open-cell sponge. Simply soak in water, wipe off, and insert through an F-hole. Instructions and handy humidity gauge included. The Dampit humidifier provides long term humidity protection and guards against your cello cracking and warping.