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? x 2-3/4? x 1-1/2?. Case comes in 6 X 4 count.