Advanced 1 Qt. Environmentally Friendly Safer Paint and Varnish Remover Will remove most varieties of household paints including oil and water based paints, varnishes, latex, stains, enamels, lacquers, and polyurethanesCan be applied on a multitude of interior and exterior surfaces including wood, plaster, concrete, brick, stone, masonry, marble, metal and fiberglass, etc.Ready-Strip plus will not damage plaster or wood (discolor or raise the grain) or affect any surface it is used on1 qt. covers approximately 12.5 sq. ft. (50 sq. ft. per gallon)Contains no methylene chloride, NMP, or other harsh chemicals so its non-toxic and will not harm humans, pets or other animals