Amazon.com Product Review
Designed for use in vehicles with limited backseat space, the Britax Roundabout Convertible Car Seat (Onyx) provides safety, comfort, and convenience in a compact model. The seat fits children in the rear-facing from 5 to 35 pounds, and children in the forward-facing position starting at one year old and 20 pounds, up to 40 pounds.
 | The Roundabout Convertible Car Seat
At a Glance:- Ages/Weight Requirements:
In rear-facing position, fits children weighing 5 - 35 pounds; in forward-facing position, fits children 1+ years old weighing 20 - 40 pounds - Warranty:
6-year product life; 1-year limited warranty Ideal for: - Who:
Parents and caregivers - What:
Keeping children safe and comfortable in the car - Where:
In vehicles with limited rear-seat space
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The rigid seat shell, deep side walls, and energy-absorbing foam lining contain the head, neck and body. View larger. |

The Roundabout's compact design is ideal for vehicles with small backseats. View larger. |
Side Impact Protection for Added SecurityTo keep your child safe, the Roundabout 50 includes Side Impact Protection, which is a system composed of the rigid seat shell, the deep side walls, and energy-absorbing foam lining the shell that work together to distribute crash forces, shield from vehicle intrusion, and contain the head, neck and body.
Superior Fit and Comfort FeaturesWhether children are watching the world go by or snuggling in for a nap, they'll enjoy that the Roundabout 50 reclines in both the forward and rear position. With additional features which include high-density comfort foam for extra padding, and a plush cover set with a matching belly pad for comfort, they'll always ride in style and comfort.
Superior 360-Degree Protection to Minimize the Risk of InjuryIn addition to side impact protection, the Roundabout offers a variety of superior crash force management features to keep your child properly positioned and protected. First, the patented, energy-absorbing Versa-Tether has staged-release tether webbing, anchoring the top of the seat at two points to minimize forward movement. For growing children, its tangle free, five-point harness offers three harness heights for a snug and secure fit.
Superior Ease-of-Use for Safety and ConveniencePacked with perks for parents, the Roundabout makes it easy to secure your child in the proper position without guesswork. Premium, push-button lower LATCH connectors make for quick, simple, and tight installation. Built-in lock-offs secure the vehicle seat belt and prevent the seat from moving more than one inch side-to-side or front-to-back at the belt path.
Additionally, a small contoured base ensures a tight installation in all types of vehicle seats. Convenient holders keep harness straps out of the way when you're placing your child in the seat, and a front harness adjuster makes it easy to loosen and adjust the harness system.
Compact DesignMeasuring 17.7x 24.1 x 22.0 inches (W x H x D), the Roundabout is compact enough to fit in vehicles with limited rear-seat space.
The Britax Roundabout Convertible Car Seat is backed by a one-year limited warranty.
What's in the BoxOne Britax Roundabout Convertible Car Seat and manual.
Customer Reviews
Average Customer Review
(174 customer reviews) 127 of 133 people found the following review helpful
Roundabout Carseat by Britax,
September 6, 2006 S. Long "The Princess's Mommy" (Arkansas) - See all my reviews
This review is from: Britax Roundabout 40 Convertible Car Seat, Onyx (Baby Product)
I searched for months before buying this seat for my daughter. I read lots of reviews on the internet and had a hard time deciding if I should spend $219 on this seat of just buy a cheaper one. I am so happy that I went ahead a spent the extra money. This seat is SO worth it. The print is great and the fabric is very easy to clean. My daughter loves to snack in the car and can make quite a mess. I just vacuum the crumbs occassionally and wipe down any other messes with a damp cloth.
The restraint design is great and very easy to access and use.
The straps have never gotten twisted or tangled like some other cheaper seats do. I used this seat in the rear-facing position for about 3 months until my daughter was big enough to turn forwards. It was very easy to use in this position as well. I
love the button you push to loosen the straps and it was still easy to use even in the rear facing position (this is a problem in some other convertible...Read more
60 of 61 people found the following review helpful
I would give this car seat more stars if I could,
March 2, 2007 frogfeet's mom "Amanda" (Germany) - See all my reviews
This review is from: Britax Roundabout Convertible Car Seat, New Denim (Baby Product)
Even after just 2 1/2 months of use I can tell you that this is the best carseat we've ever owned. It is comfortable, durable, easy to use, attractive, and has a great safety record. It is a little pricier than the average seat, but we really feel like we've gotten our money's worth.
The seat is undeniably comfortable for our 8-month-old son. He went from near-constant screaming in his infant seat to blissful silence when we moved him into the Roundabout. The seat is well padded and has plenty of "booty room" (he's 23 lbs so that is a concern for us). He also has ample room to grow. The recline feature and deep headrest area give him a very comfortable place to take a nap.
This seat is a little bigger than some that are out there but the base is really not too bad. We have two older sons (10 and 5 years) who have to share the backseat of our Sport Trac with the baby. There isn't a whole lot of extra space back there but they are all comfortable. We may...Read more
80 of 84 people found the following review helpful
SAFEST OUT THERE,
November 17, 2006 KC-Mama (Kansas City) - See all my reviews
This review is from: Britax Roundabout 40 Convertible Car Seat, Onyx (Baby Product)
I did A TON of research on convertible infant-toddler car seats before my son outgrew his Graco SnugRide at 4 months. Consumer Reports gave this and another seat the highest safety ratings (this seat had the highest rating of all Britax convertible seats!) I chose this seat because it has EPS side-impact protection under the carseat cover. It's worth the extra money because it's your child's life! Also, it's really easy to tighten and loosen the straps, and the cover is really silky and comfortable. My son falls asleep within minutes of pulling out of the driveway.
My only gripes are that none of the existing toddler pillow neck/head supports fit into the seat, but that may be a problem with the manufacturers of the supports, not Britax. Also, the straps don't have soft covers to keep them from digging into my son's neck. I just bought some soft terrycloth ones from Babies R Us for $4.99. It works.