The Safety 1st OnBoard 35 Infant Car Seat with Adjustable Stay-in-Car Base has the BeltLock feature for easy installation. The Safety 1st Infant Car Seats feature 17% more legroom than most infant car seats and it also offers easy One-Click Latch Installation. This Rear-Facing Car Seat is perfect for 4-35 pound infants and is the best fitting harness for preemies. All Safety 1st infant seats meet or exceed the Federal Safety Standard, including the Safety 1st onBoard 35 Air Infant Car Seat which features Air Protect revolutionary side impact technology. This car seat immediately releases side impact force through the precise release of air.
The Safety 1st onBoard 35 Air Infant Car Seat and 2nd Base System provide parents with an extra base for another car.