Prevents fruit fly infestation!
Protect your fermentation from dust and fruit-fly, while allowing air to pass through.
Very convenient for fermentation requiring oxygen: kombucha, kefir, vinegar, yogurt, ginger bug, cheese, etc.
The meshes of the cotton are large enough to let the air circulate, but fine enough to prevent insects from entering... Rubber bands are sturdy and suitable for the vast majority of containers.
- 100% cotton towel - 10" x 10" (25 x 25 cm)
- Red rubber bands