SEAT AIRBAG FOR VEHICLE

The present invention relates to a seat airbag for a vehicle in which a cushion storage space capable of accommodating a front cushion is provided at a front end connected to the front cushion in a side cushion , and the front cushion folded in a bellows type is inserted and accommodated into the cushion storage space . The side cushion and the front cushion can be deployed sequentially with a time difference, so that the reliability of the cushion deployment can be secured.