Treat your feet to a smoothing session with this gentle yet powerful file.  Crafted in Germany of stainless steel and finished with a diamond-ceramic layer that works to gently yet effectively soften rough edges. An ultra-hard, scratch-resistant coating repels water, oil, and bacteria. Full, salon-grade functionality in a compact, travel-friendly form. How To Use  For best results, soften feet before use by soaking in a warm foot bath. May also be used on dry feet. Use fast, even strokes to exfoliate, focusing on the edges of the foot and especially rough or callused areas.