OCCUPANT PROTECTION DEVICE FOR VEHICLE

An occupant protection device for a vehicle includes right and left bag bodies and an inflator. The right and left bag bodies are accommodated along at least both right and left side portions of a seat back portion of a seat of the vehicle. Each of the right and left bag bodies is configured to be deployed between both ends thereof fixed to the seat. The inflator is configured to deploy the right and left bag bodies. Each of the right and left bag bodies is accommodated in a state of being wound with the both ends located outside. The right and left bag bodies are configured to be deployed in such a manner that the right and left bag bodies are unwound from a state of being accommodated to reach positions in front of an upper body of an occupant to be seated on the seat.