ROOF AIRBAG AND ROOF AIRBAG DEVICE HAVING THE SAME

According to an embodiment of the present disclosure, a roof airbag may include a first cushion installed between a vehicle roof and a headliner, and a second cushion connected to one surface of the first cushion and deployed downward from the headliner to obstruct a front of a passenger as a gas is supplied from the first cushion, and an opening may be formed and provided in the headliner for the second cushion to pass therethrough and be deployed.