Black Diamond Nex-Gen Natural Stone Penetrating Sealer: Seals & Protects; Granite, Marble, Travertine, Limestone, Concrete, Grout, Tile, Brick, Block & Slate Floors, Patios and Fireplaces, 16 Fl. OZ Easy to Use- Long Lasting Protection- Professional Results! PROTECTS YOUR GRANITE against oil, coffee, food, wine, grease, ink and germs NON-TOXIC, NON CORROSIVE IMPREGNATOR Designed, Tested and USED by stone care professionals SAFE FOR FOOD CONTACT, Water-Based Can be used interior or exterior LOW ODOR SEALER FOR GRANITE, stone, concrete, grout and concrete. Apply Sealer let it penetrate and just wipe off excess  so easy to do!