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The Maxi-Cosi Pria Max All-in-One Convertible Car Seat keeps little ones comfy and safe from their very first ride home. The multifunctional design includes rear-facing, forward-facing and booster seat options to grow with babies to big kids. Raise the integrated QuikFit headrest and harness system with one hand to perfectly fit your little one as they grow. It's equipped with ClipQuick (a 1-handed magnetic chest clip) and spring-assist Out-of-the-Way harness holders to make it quicker and easier getting in and out of the car. ReclineFit provides three positions for a more relaxing ride and an easier fit in your car. The infant pillow and cushions offer extra support, plus they can be removed without rethreading the harness. And the PureCosi fabrics and padding—made without wool or added fire retardant treatment—are machine washable and dryer safe.

Check out our Types of Car Seats Guide to learn more.


Maxi-Cosi ® Pria ™ Max All-in-One Urban Wonder Convertible Baby Car Seat30.5height20width34.5depthMeasurements are in inches.
  • Rear-facing: 4–40 lbs. and 19"–40"
  • Forward-facing: 22–65 lbs. and 29"–49"
  • Belt-positioning booster: 40–100 lbs. and 43"–52"
  • Polyurethane, polyester and plastic
  • QuikFit 5-position, no-rethread adjust headrest
  • Extra-plush padding on infant head and lumbar inserts for a comfortable, secure ride
  • Easy in-and-out harness with spring assist harness holders and ClipQuik one-handed magnetic chest clip
  • 3 recline positions
  • 2 removable, dishwasher-safe cup holders
  • 1-click LATCH connectors for easy installation
  • Side Impact Protection (SIP)
  • Certified airplane use
  • Machine-washable and dryer-safe fabrics
  • Spot clean base
  • Made in USA of Domestic and Imported Materials

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