A foldable extension for an unloading door of a cotton receiving receptacle of cotton harvester which, when in a deployed position, increases the overall length of the door and directs cotton conveyed over the extension in a downward direction so as to facilitate more precise placement in a receiving receptacle. A colorant is added to the tube, pipe or conduit during the continuous manufacturing process, and the colorant imparts the appearance of a color, such as red. The EL element externally emits light from the reverse side of the substrate. Other controls can be applied in operation of the illumination sources so as to create additional attractions to target consumers.