The invention relates to a display element for placing an advertising unit on the holding bar of a supermarket trolley or the like comprising a base element (1) which is provided with a slot for placing at flat an advertising medium (3) and with fixing elements (4) for fixing the display element to the holding bar (7) of a supermarket trolley or on the supports of said holding bar. The inventive display element also comprises a slot for integrally or partially receiving another functional element (6) fixed to said holding bar (7).
