Klaren Clean Detailing Flawless Finish Clay Bar Mitt, Heavy Duty, Purple No risk! The only clay mitt with a 30-Day Money Back Guarantee Whisks away sap, bugs, bird droppings and roughness in seconds! 7x larger than traditional clay bars and lasts 4x longer -- Rinse and reuse it! Flexible, easy to use. No more folding, kneading, and flattening. Rinses clean with water. Use your favorite car soap. No need to buy expensive lubricants.