Alvin Dfg Film Sgl/Mat 18X24 50/Pk This film is recommended when strength, high translucence and dimensional stability is beneficial. It is chemically matted for both pencil and ink drawing applications and is protected from tears, cuts, and stains. It is also treated so it will stand the test of time and will not become discolored with age or become brittle. It also provides the ability to erase for both ink and film lead to allow for more flexibility when working on a project. Available in either single or double matte with a white finish, in .003" (0.09mm). Options for a 50-sheet package or a 20-yard roll is available.