A packaging (1) for products, that is to be decontaminated by radiation, having at least one tub (2) having an opening (4) and a peripheral zone (5) defined about the opening, one cover sheet (3) made of a selectively impervious material and fixed to the peripheral zone of the tub so as to seal said opening imperviously, and one screen (8) against electron radiation dimensioned to substantially cover the products contained in the packaging. The screen is placed on top of the cover sheet, outside of the tub.