Key Features;Acrylic-based for easy water cleanup;Easy application and tooling;Won't shrink or crack;Hard patch when fully cured;Maximum flexibility;Dries to a concrete color;Concrete patch pre-mixed - acrylic-based interior/exterior tub size=quart Repairs holes, cracks, breaks and other imperfections in concrete or masonry surfaces. Won't shrink or crack. Water clean up. Dries a concrete color. Hard patch when fully cured.A premium premixed ready-to-use concrete patch, designed not to crack or shrink. Textured gray to blend with cementitious substrates, product is hard at cure and offers water clean up. Repairs holes, cracks, breaks and other imperfections in concrete or masonry surfaces. Won't shrink or crack. Water clean up. Dries a concrete color. Hard patch when fully cured.