Grafix Wet Media .004 Dura-Lar 9-Inch by 12-Inch, 12 Sheets combines the best features of Mylar and Acetate to provide a highly versatile film. It can be used for screen printing, protecting and displaying artwork and photos as overlays, die cutting, and more. It will not tear, absorb moisture or discolor with age. Acid Free and Archival. Wet Media Dura-Lar film is specially coated on both sides to accept water-based mediums, markers and inks without beading, chipping or running. Great for planning painting compositions, as a painting surface or printmaking. Simply wipe with a damp cloth for repeated use.