Guide for liftable glass panes of vehicle door windows

A guide for liftable glass panes of vehicle door windows, made up of a profile made from elastically strainable material which is fixed along the vertical sides and the upper horizontal side of the door window opening, said profile having on the corner areas a channel delimited by two flaps, projections on which the inner flap rests when the glass pane reaches said corners, so that the glass pane is compressed between the two flaps.