Mason's Select Transparent Concrete Stain is a 100% acrylic penetrating stain that bonds with the concrete using cross linking technology that seals, protects and beautifies concrete surfaces. Easily create a custom look for your home while providing a decorative and protective finish that is resistant to mildew stains, dirt, chemical and hot tire pick-up. Mason's Select is safe and easy to apply, is non-corrosive and offers soap-and-water clean-up.