The RUPES BigFoot Yellow Medium Wool Polishing Pad allows BigFoot Orbital (dual-action random orbital, triple action, and gear-driven) Polishers to enjoy the advantage of a high-gloss finish created by the smoothing polishing action of a wool pad. These specifically designed pads are available in a wide variety of sizes, from 45mm for the Nano to 170mm for the LHR21 polishers. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.