... to be smooth, elegant 2.High technique & quality 3.Different size & color 4. OEM is welcome Glass Nail Files, Nail Files, Foot ... , size and design available.4. Non-eroding filing surface, increased glass resistance5. Technic: can add crystal, logo, printing, hand-engraving, ... etc.6. High quality with best price, OEM is welcome. Normal size:90 ...