This strong and long lasting mesh covered sponge is made to replace steel and wool and other pads that would be too harsh for the car. Rated to be safe to use on porcelain, fiberglass and teflon surfaces.Great scubbing action - made to replace steel and other harsher pads Use on windshields, headlights and windows After using, rinse thoroughly squeeze out excess water and air dry Surface - 6" x 4-3/8" with a 1-1/2" depth Relatively lightweight so your handle stay nimble!