Miracle Sealants 511 Anti-Slip is a penetrating sealer designed for the anti-slip protection of all interior and exterior tile, concrete and stone surfaces. Makes hard flooring surfaces less slippery without altering appearance. Use inside or out on interior or exterior granite, travertine, ceramic, marble, natural stone, grout, limestone, concrete and more Anti-slip formula is designed protect, increase slip resistance and create a less slick surface Covers up to 750 square feet per quart Easy application also resists weather elements and staining Safe to use around food areas