12Piece Scouring Pads: perfect for kitchen cleaning oven stove cooktop sink cast iron skillet frying pan pots and pans. The green pads are a bit stiffer and thicker than the red ones. 4 Piece Sponge Polishing Pads and 1 Piece White Wool Buffer Pads:Used for all kinds of coat paints's waxing, polishing and sealing glaze, to clean and improve their lightness; And for auto car detail polishing.