The ergonomically shaped "Softtouch" Titania Double-Sided Foot Callus File has both coarse and a fine surface for the gentle and thorough removal of corns and calluses. The non-slip handle and the curved shape make removal easy even on difficult to reach spots. To achieve optimal results use this product on dry skin. Use the coarse emery to remove hard corns an calluses first, then use the fine emery to give a soft and gentle smooth finish. Both waterproof emery files are easy to clean using a nailbrush under running water.