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One Seat. Every Stage.
Built to Grow With Your Child
The Maxi-Cosi Pria Max All-in-One Convertible Car Seat is designed to take your child from rear-facing rides to forward-facing adventures and finally to booster mode. With premium PureCosi™ fabrics, easy everyday features, and advanced side impact protection, it’s built to make every ride safer, simpler, and more comfortable.
At a Glance
Rear-Facing: 4–40 lbs
Forward-Facing: 22–65 lbs
Booster Mode: 40–100 lbs
Expiration: 10 years from the date of manufacture
Why Parents Love It
Made for Real Life
Three Modes in One Seat
Transitions from rear-facing to forward-facing and finally to belt-positioning booster mode.
Everyday Convenience
Spring-assisted harness holders keep straps out of the way, while the ClipQuik™ magnetic chest clip helps make buckling faster and easier.
PureCosi™ Comfort
Soft, premium fabrics are made without wool or added fire-retardant treatments.
QuickFit™ Harness System
The harness and headrest adjust together, helping you get the right fit as your child grows.
Advanced Side Impact Protection
GCell® side impact protection is built into the headrest to help protect your child where it matters most.
Designed for Years of Use
10-Year Expiration Period
The Pria Max has a 10-year expiration period from the date of manufacture.
Key Features
Comfort, Safety & Simplicity
ClipQuik™ Magnetic Chest Clip
Opens with one hand to help simplify getting your child in and out.
Out-of-the-Way Harness System
Spring-assisted harness holders keep straps positioned for easier boarding.
Flip Away Buckle
Keeps the buckle from getting trapped underneath your child.
One-Click LATCH Connectors
Designed to help make installation quicker and easier.
Infant Support Included
Includes infant inserts, head pillow, lumbar support, and removable wedge for smaller babies starting at 4 lbs.
Easy to Clean
Seat pad and harness covers are machine washable and dryer safe.
Dishwasher-Safe Cup Holders
Two removable cup holders keep drinks and snacks within easy reach.
Modes of Use
From Baby to Big Kid
Rear-Facing: 4–40 lbs
Forward-Facing: 22–65 lbs
Belt-Positioning Booster: 40–100 lbs
Specifications
Product Details
Product Type: All-in-One Convertible Car Seat
Rear-Facing Weight Range: 4–40 lbs
Forward-Facing Weight Range: 22–65 lbs
Booster Weight Range: 40–100 lbs
Fabrics: PureCosi™ premium fabrics made without wool or added fire-retardant treatments
Included: Infant inserts, head pillow, lumbar cushion, removable wedge, and two cup holders
Cleaning: Machine-washable seat pad and harness covers; dishwasher-safe cup holders
Expiration: 10 years from the date of manufacture. Please refer to the label on the car seat you receive for the specific expiration date.
