The description of the item 3920102530 of Italy HScode: Plates, sheets, film, foil and strip, of non-cellular polyethylene, printed, not reinforced, laminated, supported or similarly combined with other materials, unworked or not further worked than surface-worked or only cut to square or rectangular shapes, of a thickness of <= 0,125 mm and of a specific gravity of < 0,94, n.e.s. (excl. not printed stretch film, and polyethylene film of a thickness of >= 20 but <= 40 micrometres for the production of photoresist film used in the manufacture of semiconductors or printed circuits) : Other : Mono-layered High-Density Polyethylene film: -containing by weight 99 % or more of polyethylene, -with a thickness of 12 ?m or more but not more than 20 ?m, -with a length of 4000 m or more but not more than 7000 m, -with a width of 600 mm or more but not more than 900 mm