Give your acrylic paintings a professional finish with this matte varnish. Mixed with a polymer medium, it can be used to control surface sheen to any degree between matte and high gloss. It dries to a non-tacky, hard, flexible surface that is non-yellowing and water-resistant when dry. Keep your artwork protected from dirt, dust and oil. Permanent and non-removable Archival, lightweight and non-toxic Conforms to ASTM D4236 and safe for educational use