Net device for a motor vehicle

up shade apparatus for a motor vehicle with a flexible roller blind (2) on a to a support frame (1) rotatably mounted roller blind shaft (8) and is kept unwound, and with a dimensionally stable pull-out profile (3) of the blind web (2) a is assigned in the extension direction front end region, and with at least one to a withdrawal direction endlessly circulating parallel train pressure means communicating with the roller blind shaft (8) in operative connection, and to which the extension profile (3) is mounted, wherein the roller blind shaft (8) a deflection wheel (12) on at least one end face rotationally associated by which the train-pressure means (7) is wound, as well as with lateral guide profile arrangements (4) in which side edges of the blind sheet (2) are guided, characterized in that at least one guide profile arrangement (4) for a voltage of the blind web (2) transversely to the pull-out direction adjustable and fixable in an adjusted operating position, w obei the train-pressure means (7) is guided in a guide track (17) in the guide profile arrangement (4) is integrated, and for adjusting the operating position together with the guide profile arrangement (4) is querverlagerbar, wherein the guide wheel (12) coaxial or axis parallel to a rotational axis (D) of the roller blind shaft (8) together with the guide profile arrangement (4) is arranged transversely to the extension direction of the blind web (2) displaceable.