Heavy duty all-purpose cleaning sponge. Simply dampen with water and this sponge will clean any hard surface with previously unseen ease and effectiveness. Removes dirt, grime, scuff marks, even removes bugs from windshields. The HD Magic Sponge is great on tires and wheels. It will also remove excess wax on car moldings! Please note that use on painted surfaces (e.g., to remove graffiti) will require subsequent compounding and polishing.