Pebeo Vitrail, Cerne Relief Dimensional Paint, 20 ml Tube with Nozzle - Black Dimensional, water-based paint outliner, ideal for creating dimension on glass and metal surfaces Create outlines to contain and delineate Vitrail colors for stained glass effect, or any other liquid paint, such as Fantasy Moon and Prisme or Ceramic Use in Mixed Media applications to expand creative possibilities; Apply to dry paint surfaces as a decorative finish Nozzle on the metal tube allows for precision; Apply gentle pressure to the tube to release the paint Available in 11 colors, in 20 ml and 37 ml tubes