2pcs Left / Right Side Car Auto B Pillar Of Black Row Rear View Mirror Improve Visual Range Blind Spot2pcs Left Right Side Car Auto B Pillar Of Black Row Rear View Mirror Improve Visual Range Blind Spot Generally, passengers sitting on the rear seat of the car while disembarking, Opens the door without knowing any vehicle or person approaching from the back side and this negligence causes the accident that may damage the cars door. To help rear seat passengers, this B Pillar Mirror or Rear View Mirror for Cars is to help prevent accidents caused by