1.MULTIFUNCTIONAL travel set: for manicure and pedicure and a terry towel: compact double-sided small nail file; 3mm thick medium nail file with two different grit surfaces; 6mm thick large foot rasp with two different grit surfaces and with a knotted string for handling. 2.GOOD HEALTH OF YOUR NAILS - Won't chip, tear or split nails. Gentle surface allows your nail care to be easy, smooth and most importantly, safe without damaging your nails. Better than emery boards and paper nail files. Professional manicure and pedicure without extra costs. 3.TAKE IT ANYWHERE Use it when and where you want. Use it in a bath or in a chair, at home or in a travel while traveling. No batteries or spares - just wash it, dry with a towel and use it again. Protective sleeve sheath for all nail files included, easy to store or bring with you on the go. 4.PREMIUM QUALITY Crystal glass nail files kit is double sided and made of premium quality Czech tempered glass. The grit board is permanently chemically etched on both sides of the glass, so it will not degrade over time and will a lifetime. 5.LIFETIME GUARANTEE - Effective filing surface allows for precision shaping. Each file comes with a lifetime guarantee which covers the filing surface. All glass nail files we sell are chemically hardened which greatly increases their mechanical resistance.