Maxi-Cosi RodiFix Belt Positioning Booster Car Seat - Essential Black

This item is discontinued.
Maxi-Cosi Max Window Shade - 2 Pack, Black
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The road ahead on your parenting journey is constantly changing. Think of your little one who’s not so little anymore. And perhaps you’ve added another addition to the family, too. The luxury of strapping one baby into an infant seat has now turned into a circus act of getting everyone settled into the car. 

With the RodiFix booster car seat, we’ve made your everyday adventures a little easier. The booster seat has a seat belt guide, so big kids from 40-120 pounds can easily buckle themselves right into the seat. The beauty of being independent gives them confidence while it offers you a little more time to load everything into the trunk.

With every car seat we design we keep you and your child in mind. That’s why the rigid LATCH connectors make the RodiFix simple and easy for you to secure and install. With its Front-Access Recline System, the Rodifix fits better in your backseat and offers a different level of comfort for your growing child. And for added safety, it features Air Protect® for superior side impact protection around your child’s head, where it’s needed most in a side impact collision.

The RodiFix belt-positioning booster also features a multi-height headrest and expanding side wings that grow along with your child and help ensure that the vehicle belts are in the best position.

Supreme Comfort with PureCosi™

We’re committed to caring for precious life, ensuring that only the highest quality materials are used in our products. With PureCosi™ we’ve launched new fashions that no longer require fire-retardant chemicals. Carrying the future means protecting your little one, and our planet.

Soft-to-touch cushions and premium fabrics and padding are designed to provide supreme comfort for your child. Premium washer-and-dryer-safe fabrics keep kids comfortable and hold up wash after spill – after wash after spill.


  • Keeps children safe from 40 to 120 pounds and up to 57″
  • Rigid LATCH connectors provide the easiest, quickest installation and ensure the seat stays secure in the vehicle
  • Multi-Height Headrest and expanding side wings grow with child
  • Front-Access Recline System allows seat & seatback to recline for comfort and better fit in vehicle
  • IIHS Best Bet rating for use in booster mode
  • Locking shoulder belt guides and hourglass shape design for easy buckling
  • Easily removable fabric is machine washable and dryer safe
  • Narrow profile makes it easy to fit multiple car seats in vehicle
Product Reviews
out of 5.0
4 Reviews
Ratings Snapshot
of Reviewers
Crystel H.
Verified Buyer
Good seat for us!
October 20, 2022
This seat is working well for my skinny 7 year old. He can even buckle his own seatbelt, and he says the seat is comfortable.
Verified Buyer
Easy install
May 23, 2022
Love this already ! Super easy to move from mom's vehicle to dad's vehicle!
Verified Buyer
Easy fit with narrow width
March 20, 2022
This seat is easy to install, it’s light if you need it for travel and easy for the child to buckle themselves in. It doesn’t have arm rests for a cup holder but our car has plenty. The fact that it doesn’t have armrests does make it easier for my child to buckle themselves.
  • Narrow
  • Light weight
  • Easy to install
  • It needs anchors.
Verified Buyer
Super happy with this seat!
September 3, 2021
We needed a booster seat that would fit in three across with our other car seats. I specifically purchased this because it was the most narrow booster I could find AND it has the seat anchors. My son is five and says it's comfortable to sit in. The seat is expensive, but worth it.
Customer Q&A