DIFFERENT BRISTLES, DIFFERENT USES: Three different colors of bristles have different softness. Among them, the white one is the softest, great for cleaning car, leather sofas, carpets, glass, home decor or carved frames. The yellow one is medium, suitable for bathtubs, tiles, grout, porcelain and wheels. The black is the hardest which is perfect for cleaning grills, baking rack, kilns and industrial equipment. With the right brush you can do the cleaning perfectly with little efforts. ALL PURPOSE SCOURING PADS: The set contains 9 scouring pads, 3 colors 3 hardness. The scouring pads are great for cleaning kitchen, marble table, sinks, oven, cast iron skillet, stove, cooktop, frying pan, pots and pans, soap scum, textured glass and wood furniture. VARIOUS SHAPES COPE WITH OCCASIONS: We offer three different shapes of brushes for a variety of situations. The 2-inch brush can easily clean narrow or small spaces and crevices, and is also very convenient for interior grime, stains and