This pack of twenty 152mm x 229mm Mirka Mirlon Dark Grey P1500 Ultra-Fine Sanding Pads are a flexible, three-dimensional fibre sanding material that is easy to use on profiled surfaces and produces a high-quality, professional finish. With its ultra-fine P1500-grade silicone carbide grain, it is ideal for matting surfaces and creating an excellent base for the next lacquer layer. You can use these sheets on various materials, including steel, plastics, lacquers, stainless steel, primers, and more.