Abstract: The invention relates to a photographic film unit with integral structure consisting of an image sheet and a cover sheet which is substantially in register with the image sheet and firmly attached to it, whereby the attachment between the sheets is produced by a combination of individual masking strips and lateral spacer strips and said combination of multi-part mask is composed of a masking folding sheet associated with the container for photographic developer material and another associated with the trap and a separate lateral masking strip for each side.

Abstract: The invention relates to a photographic film unit with a picture sheet and a covering sheet which are joined together by means of an interposed mask, and a container for photographic developer material is located at the front end and a trap for collecting excess developer material is located at the rear end of the picture unit and whereby air guiding channels connect the trap compartment with the container compartment to conduct the surplus air or also developer past towards the empty developer container.