Gas bag

The invention relates to a gas bag ( 3 ) for an occupant restraint arrangement in vehicles, having a first and a second fabric layer ( 5, 6 ) which lie opposite each other and are permanently connected with each other in at least one fabric section ( 7, 21, 23, 25, 27, 37, 39 ) by interweaving in one piece, and having sacrificial threads ( 43 ) which are arranged close to the fabric section ( 7, 21, 23, 25, 27, 37, 39 ) and which tear in the case of restraint, characterized in that the sacrificial threads ( 43 ) are respectively formed by a thread ( 29, 30 ) which emerges from the first fabric layer ( 5 ) and enters into the second fabric layer ( 6 ) with the formation of a freely floating thread section ( 47 ) between the fabric layers ( 5, 6 ).