3 sanding discs - we offer 3 different sanding discs to meet your different cleaning needs; the green discs (8698 #) are a bit stiffer and thicker than red (7447 #) and brown (7447c #) discs, brown is second only to green in stiffness, red is soft enough to clean a clear glass shower door without any scratches Package includes - 9 total 4 inch scouring pads, including 3 red scratch resistant pads (7447 #), 3 medium stiffness brown pads (7447c #), 3 rigid green pads (8698 #), 1 hook mount with 1/4 -inch (6mm) metal shaft (hexagon) Strong fleece fabric - the scouring pads are covered with a layer of fleece as the loop side which can attach firmly to the hook when hanging use Long life - easy to clean and store, you can clean the scouring pad by rinsing it after use, and store it in a clean place and dry to reuse them over and over again Wide application - these scouring pads can help you clean tiles, tubs, glass, stone, porcelain, showers, tubs and sinks; they will not leave scratches on the surfaces "