Features: 1) Porous block sponge and auto wash sponge 2) Special design, is made of high technology and elastic absorbent sponge 3) Can efficiently remove the minutest particles without damaging surfaces of objects 4) Ideal for cleaning car, glass meter and inner decoration 5) Can also be used to clean, floor brick, wall brick, stone material, pottery, furniture and electric equipment Use: 1) Use it dry or wet case is all right 2) Clean dirt and stains with detergent, no batt and water mark left 3) Clean with water after each use, wring out water and let air dry