Multilayered polyurethane film and the use thereof as packaging material for photosensitive material

A film comprising at least two thermoplastic polyurethane (TPU) layers, wherein

• the TPUs in the layers have a hardness of less than 95 Shore A,
• at least one of the layers contains at least one light-shielding material,
• the sum of the proportions by weight of all light-shielding materials in the film is at least 3%, calculated on the weight of the film, and
• the layers are directly bonded to one another by coextrusion or by heat and pressure.