GENTLE ENOUGH TO CLEAN FRUITS AND VEGETABLES. TOUGH ENOUGH TO CLEAN STUBBORN POTS, PANS AND SOILED DISHWARE. SAFE TO USE ON: WOOD, GLASS, PORCELAIN AND TILES, CHINA, STAINLESS STEEL, COPPER, SEASONED CAST IRON, COUNTER/STOVE TOPS, APPLIANCES, MICROWAVE OVENS, COOLED DOWN GRILLS, ALL DELICATE NON-STICK SURFACES. 7 IN X 6 IN