Abstract: An automobile having a sunshine roof of the kind having a flexible roof covering which is held down along its longitudinal edges by flexible tensioning straps when the roof is closed is equipped with a removable rigid transparent plastics panel which may be fitted in place of the roof covering and sealed along its two lateral edges by the tensioning straps. The straps are molded with teeth or ribs which bear against the lateral edges of the panel, the strips holding these edges down on the longitudinal channel section runners of the roof aperture.