ECO Eraser Blocks and Wipes remove tough dirt, grime, soap scum, scuffs and crayon from walls, doors and other surfaces. Ideal for cleaning kitchens, bathrooms, lockers, desks, shower doors, patio furniture, automobile, marine and more, ECO products can be used indoor and outdoor for institutional and home applications. Made from melamine foam, ECO sponges and wipes work like magic without the use of chemicals. They are reusable and disposable.