Airbag

There is disclosed an airbag (11) for a motor vehicle safety device. The airbag has an inflatable chamber (29) defined between a front layer (12) a rear layer (13) of flexible material, and has an inlet region (30) within which there is provided an inlet aperture (32) for the supply of inflating gas into the inflatable chamber (29). The airbag further includes a flexible gas guide (24) located inside the inlet region (30) and between the front and rear layers (12, 13) of the airbag, the gas guide (24) defining a conduit for the passage of inflating gas, and being connected to at least one of said layers (12, 13).