Removes dirt and old finish build-up. Cleans down to the original surface. The Black Stripping Pad is constructed of polyester fibers in an open texture non-woven fabrication. Abrasive particlesare distributed throughout the pad and adhered to the non-woven construction with a sturdy adhesive. The Black Stripping Pad is constructed of polyester fibers along with synthetic adhesives that will not be notably affected by water or cleaners used in standard floor maintenance. The abrasives used in this product are synthetic. This pad has been designed for use on both sides. Ideal for use on machines speeds up to 350 rpm. 5/case.