Mela scrub sponge simply dampen with water and this sponge will clean any hard surface with ease. Removes dirt, grime, scuff marks, even removes bugs from windshields. The sponge is great on tires and wheels. It will also remove excess wax on car moldings. Please note that use on painted surfaces will require subsequent compounding and polishing. 2.5″x4.75″ each in 12 pk.