Provides an invisible barrier that prevents water and oil from penetrating and staining stone surfaces. Water based: Low VOC (Volital Organic Compound) does not need to be heated. Non-acidic: Safe for use on surfaces that will etch like polished limestone and marble. Good stability on alkaline surfaces, for example grout, concrete, masonry. Adheres to a variety of substrates. Vapor permeable: Will not crack or freeze when used on outdoor surfaces. 12 Oz. Trigger spray. No. 82: Size: 12 Oz., Type: Trigger Spray, Pkg Qty: 1, Package Type: Bottle