Abstract: A hanging for a roller blind, which is provided at its lateral edges with guide elements for positive cooperation with lateral guide devices, characterized in that the guide elements are formed by guide strips made from a flexible material, each guide strip being fixed at facing end portions on the hanging and the mutual spacing of the end portions of the guide strip in the fixed state is smaller than in a stretched state of the guide strip, so that a guide area of the guide strip located between the end portions and not joined to the hanging projects from the hanging and can be positively received in a guide device.