Blind arrangement, especially for a vehicle, and roof assembly

Roller blind arrangement (20), in particular for a vehicle, comprising a roller blind web (22) at least at one end (24) to form a roller blind roll by means of a winding device (30) (36) can be wound and a draw bar at the other end (26) , in which - the roller blind winding (36) as a winding base and lid shaped housing members (32) is accommodated, by means of which the position of the roller blind roll (36) limited in particular upwards and downwards, and - the roller blind (22) can be pushed by means of the tension bow (26) forward or rearward, wherein an auxiliary winding element (34) is arranged which on which the roller blind web (22) is wound at one end (24) of the blind sheet (22) fixedly coupled with the roller blind web (22) and wherein the auxiliary winding element (34) formed of a foam material or at least partially comprises a foam material and is so flexible that the auxiliary winding element adapt to curvatures of winding designed as a trough and cover housing elements (32).