Mr. Pumice Purple Pumi Bar - Extra Coarse Anti-bacterial solution safe - washable and reusable - Purple side Extra Coarse, Lavender Side Medium - 5" Long Skin Care: Use Wet or Dry for Beautiful, Healthy and Smooth Feet, Hands, Elbows and Knees! Use around toes and soles of feet to remove calluses. In powder form, mix with body gel soap, and use as a complete body scrub to remove dead skin. Also Great for Household Uses: Mr. Pumice in powder form will absorb oil, tar, residues...Just sprinkle over the affected area, and leave until it soaks up all the residue, then sweep off. Excellent for removal of unwanted stains and build-ups from tile grouting, etc.