Bar Keepers Friend Cookware Cleanser Polish is specially formulated to keep your cookware shining. It will not scratch like steel scrubbers or other scouring powders; and because its fast-acting formula loosens the stains, you spend less time and effort cleaning. In fact, Bar Keepers Friend Cookware polishes so well, your cookware will look brand-new. NET WT 12 OZ (340g). Bar Keepers Friend is recommended as "the cleanser" for All-Clad, Calphalon, Corning, Cordon Bleu, Corelle, Cutco, Image Quality Cookware, Meyer Cookware, NewEra, RegalWare, Revere Ware, Royal Prestige, Seal-o-matic, Tupperware, Ultrex, Vitacraft, Wagner, and West Bend for cleaning their cookware. In fact, Calphalon includes a 1 oz. sample of Bar Keepers Friend in every new Calphalon cookware set. All-Clad sales reps. also give Bar Keepers Friend samples with their new cookware sets.