The Safety 1st OnBoard 35 is an additional car seat base for your second vehicle. It lets you effortlessly move the infant car seat between your 2 cars. It"s compatible with Safety 1st car seats. It"s LATCH capable and secures the base firmly in position in your car. It has car seat anchors for easy installation. This LATCH car seat base can be used with lap seat belt and shoulder seat belt for safety and convenience. Made of plastic, this infant car seat base is water resistant and easy to maintain.