According to the present invention, an accessory for a vehicle is arranged in a vehicle body between seats side by side in the vehicle width direction. A bracket has the accessory for a vehicle attached thereto and is fixed to the vehicle body. The accessory for a vehicle has a harness connecting part disposed so as to be positioned toward one seat. The bracket has a base surface and a pair of vertical wall parts. In addition, the bracket has a rib that crosses between the harness connecting part and the base surface on the harness-side vertical wall part which is the side closest to the harness connecting part among the pair of vertical wall parts.