The Jacquard Film Marker (http://www.jacquardproducts.com/film...) is a high density, opaque and permanent marker for film media, making it perfect for creating handdrawn film negatives on SolarFast Film (http://www.jacquardproducts.com/solar...) for use with SolarFast Dyes (http://www.jacquardproducts.com/solar....
The Jacquard Film Marker is also great for creating handdrawn film positives for burning stencils for screen printing.