A display panel, for example an advertising panel, for use on an external surface
of a vehicle is described. The display panel comprises a substantially non-permeable
flexible sheet and is removably fastened to the vehicle around the around the majority
of the perimeter of the flexible sheet. An adapted vehicle, a vehicle and panel
assembly, and a method of application are also described. In one embodiment, the
fastening material is provided with strategically placed gaps to act as fluid outlets.