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FIT CHART
Seated shoulder height Weight Height
Rearward Facing
Seated Shoulder Height: 9 - 15.75 in.
Weight: 5 - 40 lbs.
Height: 0 - 46 in.
9 - 15.75 in. 5 - 40 lbs. 0 - 46 in.
Forward Facing
Seated Shoulder Height: 12 - 15.75 in.
Weight: 20 - 55 lbs.
Height: 0 - 46 in.
12 - 15.75 in. 20 - 55 lbs. 0 - 46 in.

ROUNDABOUT

Enjoy the sense of security you get knowing you protect your child with a smart choice from the #1 brand in safety technology.

  • Safeguards your child with side impact protection, an impact-absorbing base and steel frame
  • Safely installs with easy-on/off lower anchors
  • Includes car seat and removable pillow

FABRIC COLOR:

ROUNDABOUT

Enjoy the sense of security you get knowing you protect your child with a smart choice from the #1 brand in safety technology.

  • Safeguards your child with side impact protection, an impact-absorbing base and steel frame
  • Safely installs with easy-on/off lower anchors
  • Includes car seat and removable pillow
FIT CHART
Seated shoulder height Weight Height
Rearward Facing
Seated Shoulder Height: 9 - 15.75 in.
Weight: 5 - 40 lbs.
Height: 0 - 46 in.
9 - 15.75 in. 5 - 40 lbs. 0 - 46 in.
Forward Facing
Seated Shoulder Height: 12 - 15.75 in.
Weight: 20 - 55 lbs.
Height: 0 - 46 in.
12 - 15.75 in. 20 - 55 lbs. 0 - 46 in.

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This product is not available to purchase from the Britax website
MSRP $179.99

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SafeCell Impact Protection: Superior Protection, Only from Britax

Britax is the only child car seat brand that features world-class SafeCell Impact Protection. This integrated system of safety components provides unmatched protection for your child. These features include a steel frame, energy-absorbing base, V-shaped tether to minimize seat rotation and staged-release stitches that slow and reduce forward movement during a crash.

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Side Impact Protection

Side impacts represent 25 percent of collisions. In fact, it’s these accidents that result in the most severe injuries. We designed the Roundabout with these statistics in mind. The seat has a deep foam-lined shell to absorb energy and shield your child from side impacts.

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Safe and Easy Installation

At Britax, we make it easy on you to achieve a safe installation. The Roundabout’s easy-on/off lower anchors quickly lock onto your vehicle’s anchors and disconnect with the push of a button.

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ALL PRODUCT FEATURES

SUPERIOR PROTECTION

  • Side impact protection formed by a deep foam-lined shell.
  • Impact-absorbing base compresses to reduce the rough force of a collision.
  • Impact-stabilizing steel frame offers superior strength where you need it most: at the connection point to the vehicle.
  • V-shaped tether minimizes seat rotation with a unique two-strap design.
  • Britax-patented staged-release stitches slow the seat’s forward movement during a crash. 
  • Proudly engineered, tested and made in the USA with global components for top safety and quality.

 SAFE AND EASY INSTALLATION

  • On/off lower anchors lock into place with a click and easily release with a push of a button.
  • 3-position recline makes for easy angle adjustment.

 MAXIMUM FIT AND COMFORT

  • Quick-adjust 2-position buckle easily moves outward as your child gets bigger.
  • Removable body pillow adds comfort and can be removed when your child outgrows it.
  • Plush foam padding and fabrics for premium comfort.
FULL SPECIFICATIONS
Child Weight - Rear Facing 5 - 40 lbs
Child Weight - Forward Facing 1 year and 20, up to 55 lbs
Child Standing Height 46" or less
Child Seated Shoulder Height - Rear Facing 9 - 15.75"
Child Seated Shoulder Height - Forward Facing 12 - 15.75"
Product Weight 17.6 lbs
Product Dimensions 18.5" W x 26" H x 21" D
Seat Area Depth / Width (in) 11" / 11"
Shoulder Width 13"
Harness Slot Heights 8.5" / 11.5" / 14" / 16.5"
Buckle Strap Depths 5" / 7.5"

Roundabout is rated 4.5606 out of 5 by 66.
Rated 5 out of 5 by from safety and quality I purchased a different brand carseat which would not stay secure in my car. It was unsafe and I returned it. I decided on the Britax roundabout. It is very easy to install and the seat stays in place unlike the other one. It is very well built and seems to be very comfortable for my 18 month old grandson.
Date published: 2015-08-08
Rated 5 out of 5 by from Does not budge! I've had our seats nearly a year now (one roundabout for each vehicle) and absolutely love them. We tried a triumph first, and it had a click wheel to tighten the straps that I never felt I could tighten properly, so we returned it and got the britax. I didn't even know how much I was missing out before! Being able to have the front tether while keeping my toddler rear facing is amazing. Every other seat just feels like it has a lot of sway up by the head of the seat, but these ones are so secure, I just know they are far safer. I also really like that the tether has an indicator if has been overly stressed from an accident.My only regret was that they are out of our price range to provide one for the sitter and grand parents who occasionally transport my daughter.
Date published: 2015-07-27
Rated 5 out of 5 by from Help saved my grand-daughter's life! My 2 1/2 year old grand-daughter was in a recent tragic car accident with her mother. Her mother did not survive but my grand-daughter only had minor injuries. She was in the Britax-roundabout. The ER doctor told us that the side protection and the sturdiness of her car seat helped saved her. I will never put my grand-children into any other brand except a britax!
Date published: 2015-07-15
Rated 4 out of 5 by from Good Car Seat We bought the Roundabout 4.1 convertible car seat a few months ago, and we've been happy with it after we made some adjustments and an additional purchase from Britax. It would be nice if the car seat reclined further, so we didn't have to use a towel or pool noodle to level it in the rear-facing position. Also, including the rebound bar or a longer safety tether would have been nice since we have an Outback, and the tether it came with is not long enough. We purchased these additional items though, and we've been very happy with the car seat ever since.
Date published: 2015-06-06
Rated 5 out of 5 by from Easily Adjusts between Grandchildren I purchased this car seat to use when my grandchildren visit. They are 3 years and 1 year. The harnesses adjust very easily and installation into my vehicle was a snap. I was pleased to read after I ordered it, that Britax rates lowest on toxic fumes emissions. I hope I never have to find out how it holds up in a collision but I trust it will perform as it should.
Date published: 2015-06-05
Rated 4 out of 5 by from Feel Safe on the Road I have had my Roundabout 55 for 4 years, my daughter is a few inches shy of max shoulder height and I will be purchasing another britax product. I feel like it is a safe carseat.
Date published: 2015-06-02
Rated 5 out of 5 by from So glad we went with Britax! We purchased (2) Roundabouts, (1) Onyx and (1) Silverlight for both of our vehicles. We've only been using them for about three weeks, but we LOVE them! Simple to install, adjust, and our little angel loves them too! We spent a couple of months researching and by far we felt that Britax gave us the best options for the money. Can't go wrong with this one in our opinion.
Date published: 2015-05-18
Rated 5 out of 5 by from Best of the Best Bought this when my baby was 2 years old and was used until she was 6 1/2. Having the Britax name, I felt confident at all times that my child was in the best of "hands" and protected as well as can be. Got my money's worth and it still looks new...to be passed on.
Date published: 2015-05-14
  • 2015-08-29T11:59CST
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