100% identical material to the Mr. Clean® Magic Eraser®. Like the Magic Eraser®, our eraser sponges are strong enough to use on nearly any grit, grime or dirt without compromising your counter-tops, walls, floors or other surfaces. They can be used anywhere in homes, cars and offices and leave no hazardous residual or chemical odor behind. Use on painted walls, floors and doors. Try the eraser on soap scum, mold, appliances, windows, automotive interiors, boats, siding, sport equipment, athletic shoes, pools, hot tubs and much more! "Works like Magic".