Ranging from fine to coarse; there are three variations of the Shurhold scrubbing pad. They fit the Shurhold pad base (sold separately) which in turn is part of the Shurhold system with a variety of fittings working from one handle including brushes and boat hooks. Fine (white) is perfect for a light teak clean or scrubbing non slip surfaces. Medium (blue) general teak cleaning. Coarse (brown) is recommended for heavy duty teak cleaning and bottom paint preparation. 2 pads per pack. Pads are 4.5" x 10".