TileLab grout sealer is a ready-to-use, water-based, penetrating sealer that resists most common oil and water-based stains such as grease, coffee, wine, cooking oil, baths oils, colored juices, ketchup, and mustard. With a 360 deg. nozzle, it is a quick and easy way to apply a sealer to sanded or nonsanded grout while in a standing position. The steady stream from the nozzle and the foaming action of the sealer makes it easy to aim and seal. Does not darken grout. 15 oz. spray can. Coverage: 525'.