Safety 1st Convertible Car Seat, Convert from Rear to Forward Facing and Belt-Positioning Booster, High Street, From Birth to Age 10, TriMate

3 MODES TRANSITION FROM BABY TO BIG KID: Three modes of use: rear facing baby car seat (5–40 lbs. and 19″–40″), forward facing toddler car seat (30–65 lbs. and 34.4″–49″), and belt positioning car seat booster (40–100 lbs. and 43.4″–52″).
FITS 3 ACROSS THE BACK SEAT: The travel car seat’s ultra-slim design— just 17″ across without the cup holders— allows parents to fit three carseats across the back seat of most vehicles without sacrificing comfort.
CLEAR, SIMPLE INSTALLATION AND ADJUSTMENT: TriMate All-in-One carseat features a 9-position headrest that adjusts with just one hand, a hassle-free harness system that adjusts without re-threading, and visible belt paths for easy installation.