O-Files Fat Nail Buffer: ForPro O-Files Fat Buffer is made of the finest adhesive, foam, and sandpaper. | 240/1200 Grit: The double-sided buffer is uniquely designed to gently smooth the nail plate with the 240 grit side and provide lustrous shine with the 1200 grit side. | Individually-Wrapped Nail Buffer: The flexible, spongy buffer is great for buffing nails prior to applying gel Polish or nail lacquer. | Double-Sided Buffer: Spongy foam allows abrasive material to flex, eliminating flat spots. Perfect to use at home and in salons. | Size & Quantity: These disposable nail buffers come in a pack of 50 and each buffer measures 6” L x .75” W.