This polyester film combines the best features of Mylar and acetate to provide a highly versatile film with high tensile, tear and impact strength. Dimensionally stable, it will not crack, discolor or become brittle with age. It lays flat and is acid-free, archival and heat-resistant. The film is .005" thick and has a matte translucent drawing surface on two sides. It will accept lead, ink and colored pencil, erases cleanly and is an economical alternative to acetate and drafting film. Twenty-five sheets per pad.