Abstract: The invention relates to an airbag module for automotive vehicles, comprising a gas generator (15) and an inflatable cushion (13) which are housed in a container (11) which is prismatic in shape and formed by folding a flat sheet of suitable material in which its large sides (31, 33), its back side (35) and, as extensions of the sides of said large sides (31), flaps (37, 37?, 37?) corresponding to the sides of the closing surface of the container (11), are defined by means of pre-cut lines, said flaps (37, 37?, 37?) and the large side (33) they are separated from including cooperating means (41, 43, 45) defined by means of pre-cut lines, which allow closing the container (11). The container (11) additionally includes means (51, 53) defined by means of pre-cut lines intended for aiding in positioning and fixing the airbag module in the vehicle.