Polydraft drafting films are suitable for pen and pencil drawings, especially those that undergo extensive revisions and changes. Dimensionally stable and unaffected by temperature and humidity, these durable films also feature excellent transparency and flatness. Polydraft drafting film is available in both single and double matte, from 3 mil to 5 mil in either white tint or high translucency. Polydraft gridded drafting film is printed on 3 mil single or double matte white tint film in 8 x 8 and 10 x 10. Metric size gridded sheets are available on request at non-standard pricing. Polydraft films meet U.S.Government specification L-P-519B.