To provide a sheetlike photosensitive material packaged body that prevents tearing of a bag during transport and makes the photosensitive materials free of damage such as scratches and pressure fog during transport.

In the photosensitive material packaged body obtained by housing a light shielding inner packaging bag housing a pile of sheetlike photosensitive materials and having heat-sealed parts on the four sides in a case while pressing all or part of the heat-sealed parts with a buffer member, the rigidity of the heat-sealed parts is ≥0.05 N.cm.