Pouch made from flexible material for light display, the pouch having at least two plies of a flexible material, the plies defining at least two faces between which an internal space is delimited, and a light display module which is received in the internal space and which has an electronic board on which are mounted a plurality of electroluminescent diodes and a memory zone in which instructions are recorded and allow the lighting of the electroluminescent diodes to be controlled in order to create at least one predetermined display pattern.