Quickly and easily removes marks from surfaces such as walls, appliances, baseboards, car interiors and exteriors. Chemical-free, requires only water. Most effective on hard, smooth surfaces. Melamine cleaning surfaces on both sides. Eliminates crayon, ink, permanent marker and scuff marks. Each sponge is 4-1/2 in x 2-3/4 in x 1-1/2 in. Case comes in 6 x 4 count.