The present invention relates to a signage system (10) comprising: a plurality of textile products (12) each comprising a flexible display device (16). For controlling the displays (16), the system further comprises a central unit (14, 24) adapted to emit at least one control signal, each of which being a sound signal or a light signal. To this end, each textile product further comprises means (20, 26) for detecting the control signal(s) emitted by the central unit (14, 24), and means (18) linked to the detection means (20, 26) and display (16) for controlling the display (16) in accordance with the detected control signal(s). The present invention also relates to a method, central units and uses of such for controlling a plurality of flexible display devices each comprised in a textile product.