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Maxi-Cosi Pria Max All-in-One (3-in-1) Convertible Car Seat


or 4 installments of $85.00 by Afterpay More info

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Because they grow up so fast.  If you’re reading this, you know all too well that choosing the right car seat is a tedious, scary, and super important decision. Why go through it more than once? Seriously, what parent has time for that? Thankfully, the PRIA 3-in-1 may just be the only car seat you’ll ever need. (Unless, that is, yet another little one comes along – but we’ll cross that bridge when we get there.) See, the PRIA 3-in-1 is built to grow with your child. And, most importantly, you can convert to new seat stages in mere seconds –  because trust us, growth spurts really do happen overnight. Bottom line? The PRIA’s here for the long haul.

  • 3-in-1 conversion that’s crazy easy – switch from rear-facing (4-40 lbs) to forward-facing (up to 65 lbs) to booster seat (up to 100 lbs) with the touch of a button
  • ClipQuik™ one-hand, magnetic chest clip makes buckling in and out struggle-free
  • Out-Of-The-Way spring assist harness system keeps straps in place, which means no more tangled toddlers
  • Cushions that are washer and, unlike most seats, dryer-safe (because who has time to line dry?)
  • Premium fabrics that keep kids comfortable and hold up wash after spill after wash after spill
  • Air Protect cushions with GCell® foam protects your child head’s head from side impact
  • Extended weight range keeps children in the seat longer when they are older
  • Forward-facing for a child weighing from 40 up to 100 lb.
  • Rear-facing for a child weighing from 4 up to 40 lb.
  • Boostered for a child weighing from 50 up to 100 lb.
  • 3-position recline
  • 5-point quick-adjust harness
  • QuickFit shoulder harness automatically raises to fit growing child
  • Flip Away buckle
  • ClipQuick auto-magnetic chest clip
  • LATCH compatible
  • Infant insert is included
  • Self wicking fabrics
  • 2 cup holders
  • Machine wash and dry removable seat pad and harness
  • Measures 24″ L x 19.25″ W x 25″ H
  • Weighs 18.6 lb.
  • Certified for use in aircraft
  • Meets FMVSS 213 standards
  • Made in USA of imported materials


Ride safely for the next decade with the Pria™ Max 3-in-1 car seat from Maxi-Cosi®. Designed to grow with your child from birth to age 10, it has innovative adjustment and safety features that offer exceptional comfort and safety for every age and stage. It’s simple to switch from rear-facing (4-40lbs) to forward-facing (up to 65 lbs) to booster seat (up to 100lbs) when your child grows, and the height-adjustable head cradles is padded with patented GCell® foam that absorbs shock and side impacts. The adjustable safety harness has a weight range up to 100 pounds, plus spring-assisted retraction for tangle-free in-and-out.


  • Fast and easy to buckle with spring assist EZ Out harness system with ClipQuik auto-magnetic chest clip.
  • One-handed recline with 3 positions to choose from.
  • Air Protect cushions with GCell® foam protects your child head’s head from side impact.


  • The 3-in-1 system makes converting to each new stage simple and intuitive so you don’t have to spend too much time making car seat adjustments.
  • Recommended for newborn up to 10 years old or 100 pounds.
  • Easily removable fabric for machine washing and drying without re-threading the harness.


  • Overall: 19.5″ wide x 24″ long x 25″ high
  • Interior: 10″ wide x 13.5″ long x 19.5″ high
  • Weight: 25 pounds


  • Wipe plastic, vinyl, and metal parts with a damp sponge or cloth.
  • For fabrics, use warm sudsy water, rinse with clean water, and air dry.
  • The harness system should be cleaned with mild soap and water. Wipe the outside of the buckle with a damp cloth.
  • DO NOT: lubricate the buckle or immerse in water. Do not use bleach or harsh chemicals on your car seat and do not dry clean.


Additional information


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