Grafix Dura-Lar Clear Art Wrap, .001in x 27in x 25ft RollDura Lar is an archival, non-tearing, non yellowing polyester film that combines the best features of Mylar and acetate. Dura-Lar is archival quality, safe for overlaying artwork, and it lays flat. It will remain dimensionally stable for as long as you need. This is Ultra-light acetate, designed for protecting artwork from dust and dampness, while allowing complete, unobstructed viewing.