Keep artwork preserved and protected with Sax True Flow Multi-Media Varnish Gloss. It is non-smearing for a smooth, even application. It is non-toxic and waterproof to shield against moisture exposure. Versatile and easy to use, it is suitable for a wide variety of media including wax crayons, water-based and permanent markers, collage materials, colored pencils, watercolor pencils, oil pastels, gel pens, printing inks, plaster and papier mache. It dries to a gloss finish, keeping colors crisp and vibrant over time. In case of spills, this gloss sealer is easily cleaned up with soap and water.