Krylon Crystal Clear Spray Varnish
Krylon Crystal Clear Spray Varnish is an acrylic permanent protective coating for drawings, artwork, watercolors, charcoals and inks. This varnish prevents smudging, fingerprints and fading. It goes on clear, and stays clear. Dries in minutes. Available in an 11 oz spray can.
This spray varnish is particularly recommended for sealing artwork with Posca markers.