NEW & IMPROVED! Now 4-Sided, 25% more use per block Pedicure Block: Flexible foam of the yellow buffing block provides superior buffing results Three-Sided Nail Buffer: Designed for buffing nails prior to applying gel polish or nail lacquer; 220/220 grit Nail Buffer Block: Made from an abrasive material will not scratch or damage natural nails. Pedicure Buffer Block: Packed in a clear, reusable storage container for maximum convenience. Grit Buffer Tool: Measures 3.5” L x 1” W x 1” H and comes in a 15-count pack; Color: Yellow