The Heros Chiropody Sponge is the best foot scrubber we've ever used! This amazing piece of porous material is actually a pure raw glass product to which carbon and hydrogen sulphide is added during the manufacturing process. You're sure to save lots of money on those expensive pedicures. This is a must try for summer, or anytime of year! Box of (12) Heros Chiropody Sponges for $4.50 each!