The description of the item 3920621948 of Italy HScode: "Plates, sheets, film, foil and strip, of non-cellular poly""ethylene terephthalate"", not reinforced, laminated, supported or similarly combined with other materials, without support, unworked or not further worked than surface-worked or merely cut into squares or rectangles, of a thickness of <= 0,35 mm (excl. such self-adhesive products, floor, wall and ceiling coverings of heading 3918, poly""ethylene terephthalate"" film of a thickness of >= 100 but <= 150 micrometres for the manufacture of photopolymer printing plates and poly""ethylene terephthalate"" film of a thickness of >= 72 but <= 79 micrometres for the manufacture of flexible magnetic disks) : Sheets or rolls of poly(ethylene terephthalate): -|coated on both sides with a layer of epoxy acrylic resin, -|of a total thickness of 37|?m (±|3|?m)"