1.Handy files for exfoliating heels. Treats hard, damaged, or coarse skin and makes baby smooth heels. Keeps feet from smelling by removing calluses. No more ripped tights and sore heels 2.Have you been scrubbing away at your heels or grating it until they are sore? Too much scrubbing can cause heels to build up more calluses, resulting in harder heels and smelly feet. aogis Smooth Foot files are ergonomically designed so that you need only to rub gently to get the best results. 3.Two different grades of coarseness makes perfect baby feet. To use, first apply the coarse side to scrub off hard skin. Then use the finer side for finishing touch. Can be used on wet or dry skin. Use on dry skin for better results. 4.aogis Smooth Foot file can be washed with water. The file and handle can be kept clean and bacteria-free. Dries quickly. Comes with pouch for carrying and storing. aogis Smooth Foot file has a leather strap for hanging when drying or not in use.