Everyone loves a little extra time. Installing an extra base into your second car makes it easier when traveling with baby. This item has 5 different positions to ensure the best fit for your car. The belt path openings are large and easy to maneuver for installation, and it is LATCH equipped! Choose your car, click in your existing car seat, and get on with your day. Compatible with the onBoard 30, onBoard 35, onBoard 35 Air, onBoard 35 Air+, and onBoard 35 Air 360.