Lid material (10) in the form of a substrate material (5) such as a plastic film bearing a printed image (6) facing outwards with respect to the container (1) on which the lid material (10) is used, and an inward facing sealing layer (8, 9) for closing off containers (1) having a shoulder region (4). The inward facing side of the substrate material (5) bears the sealing layer (8, 9) in the form of a printed image which corresponds to the shoulder region (4) of the container. The printed image which forms the sealing layer (8, 9) can be deposited on the substrate material (5) in the same printing machine in which the printed image (6) is deposited on the substrate material (5).