Maxi-Cosi Romi Lightweight Convertible Car Seat - Essential Black (PureCosi)

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Freedom to Find Your Adventure

Easy to Take Everywhere

Travelling with children has never been easier – even without your own car. Whether you’re jumping in a ride share, renting a car to see the grandparents, or heading on vacation, the Romi is lightweight, easy to carry and certified for use on an aircraft.

Always Travel Light

Weighing just 7.8 pounds, the Romi is one of the lightest car seats available. It’s perfect for travelling light, and your child can ride safely and comfortably, everywhere you go. Once you’ve reached your destination, the top tether can be used as a convenient strap that attaches to the car seat shell, making it super easy to carry around.

Take Safety with You

Wherever you’re heading, by taking your own trusted car seat with you, you can relax knowing that your child is fully protected and safe with the seat’s reinforced Side Impact Protection. And nestled in its soft fabrics and extra-comfy padded seat, your little one will always be snug and comfortable travelling from one adventure to the next.

PureCosi™ and Supreme Comfort

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

The seat has soft-to-touch cushions – and premium materials and padding are designed to provide supreme comfort. Also, the adjustable head pillow provides added support and comfort for your growing child. Premium washer-and-dryer-safe fabrics keep kids comfortable and hold up in the wash.

Fits Easily into the Car

Designed for children rear-facing 5-40 lbs. and forward facing 22-40 lbs_., it’s so quick and simple to fit in the car using the seat belt or hook LATCH connectors. On every adventure, family travel feels free and easy with the Romi convertible car seat.

For modern families on the move, Romi is the car seat you can easily take with you, wherever you go.


  • Incredibly lightweight at only 7.8 pounds
  • LATCH connectors double as a convenient carry strap
  • Features PureCosi™ fabrics made without wool or added fire retardant treatment that are machine washable and dryer safe
  • Reinforced Side Impact Protection
  • Comfortable plush fabrics and padding
  • Adjustable head pillow provides added support and comfort
  • Hook LATCH connectors for easier installation
  • Certified for use on an aircraft
  • Removeable, easy to clean, dishwasher safe cupholder
  • Rear-facing 5-40 lbs and 19-40 inches.
  • Foward-facing 22-40 lbs and 29-43 inches.
Product Reviews
out of 5.0
10 Reviews
Ratings Snapshot
of Reviewers
Verified Buyer
Great option for a travel convertible car seat
May 29, 2024
I bought this car seat to use as our travel car seat, as my baby had outgrown her infant carrier. We are so happy with it! It's extremely lightweight, so taking it through the airport was so easy. The price point is fantastic, especially since it is flame-retardant-free. The only things I don't love about it is there was definitely a learning curve with installation, but with practice I got it down, also the straps are a little finicky to tighten/loosen, but it seems to be getting easier with use.
Belmont, Michigan
Verified Buyer
Great travel car seat!
April 1, 2024
I bought this car seat for an upcoming trip. It was very lightweight and easy to carry through the airport. Installation was easy and my daughter seemed very comfortable in the seat. It felt much safer than any car seat we've used from a car rental company.
T F.
Verified Buyer
Good for travel
March 15, 2024
Perfect for travel. Super lightweight and easy to install. We only use it for travel as her main carseat is really heavy.
  • Lightweight
  • Feels kind of flimsy
Los Angeles
Verified Buyer
Shipped quickly
November 23, 2023
Athens, GA
Verified Buyer
Great for travel!
October 4, 2023
This is an excellent purchase for young mothers traveling with their babies or toddlers. It is good quality, lightweight, easier to clean, and not as cumbersome as the heavier ones. Well worth the money to purchase this for traveling, especially on airplanes or trains.
  • Lightweight, easy to clean, good quality
Best Uses
  • Great to use when traveling by rental car, airplanes, and trains!
San Francisco, CA
Verified Buyer
The ideal travel car seat!
September 9, 2023
I was a bit skeptical when ordering this car seat as I had read mixed reviews, mainly about it not being big enough for toddlers. However I found that after adjusting all the straps it fits my 2 year old perfectly (she’s in the 90th percentile). We still haven’t traveled with it but it’s super light and seems way better quality than other light travel car seats. Very happy with it!
Roanoke, Virginia
Verified Buyer
Not bad for a travel seat
September 1, 2023
I bought two of these for my 1 year old when he outgrew his infant seat. I was looking for an affordable, flame retardant free option for our regular-use seat. We've had them for about a year now and my takeaways are: this a good TRAVEL seat - super lightweight and FAA-approved. It is a pain to install! It takes a lot of yanking to get it tight enough. It's bare bones and my kid doesn't seem extremely comfortable in it. I wouldn't buy it again for a regular seat, but will keep one for a travel/secondary seat.
  • Lightweight
  • Flame-Retardant Free
Best Uses
  • Travel
  • Occasional Use
  • Hard to install
  • Not very comfortable
  • Feels flimsy
Verified Buyer
Not worth it, no way this is safe
June 8, 2023
This is the most worthless car seat. It is super flimsy, the sides easy cave in when pushed on it. Not to mention installation is also a joke. There is no way to get this tight enough in our Subaru forester. We watched countless YouTube videos and read lots of other reviews someone even used ratchet straps to try and better secure this! Buyer beware. We would have returned it but Albee has a tough return policy,.
Elena G.
Verified Buyer
Good travel Car Seat
March 2, 2023
We purchased this car seat for an upcoming international trip. Very light and easy to install on the plane and in the car at our destination. Probably not your everyday car seat but great for traveling.
  • Lightweight, easy to install, flame retardant free, easy to clean
Best Uses
  • Travel car seat
Boston, MA
Verified Buyer
I recommend this for traveling
November 17, 2022
This is a perfect car seat for traveling with kids. It's safe, good looking and light. I recommended it!
  • safe, good looking and light.
Best Uses
  • Traveling or second car seat in case you have a guest with another baby or to take an uber/lyft/taxi
Customer Q&A
1 Question & 1 Answer
from San Francisco asked:
August 27, 2022
Is the Maxi-Cosi Romi Convertible Car Seat - Essential Black (PureCosi) airline approved? Both domestic and international?

Yes it is, but we suggest contacting your individual airline.

Submitted by: caren singer on August 29, 2022