contain a natural enzyme that inhibits but does not prevent the growth of mold, mildew, and bacteria. After each use, allow youyr sponge to air dry completely. You can disinfect your sponge with the methods below:
Good News! Under normal conditions (just being left in the dryer) these balls will last for years!
You can if you like, and we highly recommend it, add a couple of drops of essential oil to each ball before loads of laundry. When your laundry is all dried and warm, it will smell wonderful as well!