Grafix Dura-Lar is the Acetate alternative. This polyester film combines the best features of Mylar and Acetate to provide a highly versatile film. It will not tear, absorb moisture or discolor with age and is heat resistant. It is dimensionally stable, lays flat, is acid-free and archival. Clear Dura-Lar film is an ultra clear, glossy surface for protective coverings, layouts, color separations, window applications, and overhead transparencies. Use as an artwork surface for permanent inks and markers.