Bar Keepers Friend 1003161246 All Purpose Cleaner is a powdered non-abrasive cleaner for stainless steel, glass cook tops, porcelain, fiberglass etc. The original 1882 formula powdered cleanser still delivers premium cleaning power for stains on non-porous surfaces. Use it to remove stains from sinks and countertops, to cut through grease on oven door glass, and to restore shine to uncoated stainless steel and porcelain. BKF has multiple uses throughout the home it can easily remove rust stains, tarnish, water spots, mineral deposits, and more. Tough enough to tackle a greasy grill grate, yet gentle enough to use on glass, this cleanser is the product you can trust to get the job done. This cleaner is 21 ounces.