The description of the item 7607209010 of France HScode: Aluminium foil, backed, of a thickness (excl. any backing) of >= 0,021 mm but <= 0,2 mm (excl. stamping foils of heading 3212, and foil made up as christmas tree decorating material) : Aluminium foil, in rolls:- coated on one side with polypropylene or polypropylene and acid-modified polypropylene and on the other with polyamide and polyethylene terephthalate, with adhesive layers between them,- with a width of 200 mm or more, but not more than 400 mm,- with a thickness of 0,138 mm or more, but not more than 0,168 mm,for use in the manufacture of lithium-ion battery cell covers