The Bondo® Tack Cloth helps to remove loose sand dust and trash particles from surfaces before priming and paint application. A light tack on the smooth cloth surface lets technicians remove dust, lint and dirt with only a light application. This cloth gives you a clean surface that will help enhance the quality of the paint job.The 3M Bondo Tack Cloth is an automotive Grade cloth intended to be used during the "Paint and Finish" stages of the 3M Body Repair System, and can be used to wipe down a car in between coats of every base coat.