Stone Care International Granite & Stone Sealer, 24 oz. is a water-based penetrating sealer designed to protect natural stone surfaces from staining. for use on countertops, floors, walls, vanities, and grout, this sealer is i for all types of masonry, stucco, concrete, and sanded grout. Its special blend of polymers bonds to the stone, creating a water and oil repellent membrane that helps prevent stains while allowing the stone to breathe and release moisture vapors. Safe for both interior and exterior use, this sealer will not alter the color of stone, tile, or grout. It is UL listed for quality assurance and comes in a convenient 24 oz. bottle. Model Number: 5187