Size: 170 x 130 (mm) x 1pc Five types #600 (sky blue), #1000 (light green), #1500 (pink), #2000 (green), #3000 (grey) are available. The number after "#" shows grit (roughness) and colour differs depending upon the grit. Can be used for dry and wet sanding. These soft sanding cloths experience limited fold lines, helping prevent them from making deep scratches on surfaces, and making them very durable