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Britax Poplar Convertible Car Seat, 2-in-1 Car Seat with Slim 17-Inch Design, ClickTight Technology, Cobalt Onyx

4.7 out of 5 stars 460 ratings

$329.99
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Color: Cobalt Onyx
Style: Poplar
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Purchase options and add-ons

Brand BRITAX
Installation Type Seat Belt
Color Cobalt Onyx
Orientation Rear and Forward Facing
Product Dimensions 20.5"D x 17"W x 23.5"H

About this item

  • 2-in-1 Convertible Car Seat: Fits rear-facing up to 50-lbs to help keep your child riding safely even longer; Easily switches to forward-facing
  • Install with Confidence, Every Time: With ClickTight there’s no guessing or stressing! Fully open seat belt paths are clearly labeled and easy to access; Automatic tensioner takes care of the tightening
  • SpaceSaver Design: Slim outside, spacious inside! 17” seat is designed to fit 3-across* without compromising on trusted Britax safety & premium comfort *Britax cannot guarantee 3-across installation fitment in all vehicles.
  • Room to Grow: 14-position quick-adjust headrest and harness create the perfect fit
  • Trusted Britax Safety: Carbon steel frame & belt paths, patented V-shaped tether, patented SafeCell crumple zone
  • Naturally Flame-Retardant Fabrics with no added FR chemicals
  • Quick, Easy Cleanup: Washer & dryer friendly cover and dishwasher-safe cup holders

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Product Description

Ready to go with room to grow! Poplar takes the stress out of moving to the next car seat stage with trusted Britax safety, patented ClickTight® Installation, and a slim SpaceSaver™ design. Fits rear-facing up to 50-lbs to help keep your child riding safely even longer. Easily switches to forward-facing. Install with confidence every time thanks to Britax-exclusive ClickTight. Fully open seat belt paths are clearly labeled & easy to access, and the automatic tensioner takes care of the tightening. Easily adjust the 14-position harness & headrest with one hand to create your child’s perfect fit. Slim outside, spacious inside! 17” seat design fits 3-across* without compromising on trusted Britax safety & premium comfort. Our patented SafeCell crumple zone & V-shaped top tether help manage crash energy. Carbon steel reinforced frame & belt paths provide strength and stability. Fabrics are naturally-flame retardant with no added FR chemicals, and safe to machine wash and dry. *Britax cannot guarantee 3-across installation fitment in all vehicles.

Product information

Technical Details

Product Dimensions ‎20.5 x 17 x 23.5 inches
Item model number ‎E1C933R
Minimum weight recommendation ‎5 Pounds
Maximum weight recommendation ‎65 Pounds
Maximum height recommendation ‎49 Inches
Material Composition ‎plastic, steel, polyester
Care instructions ‎machine wash cold, delicate cycle, mild soap
Style ‎Poplar
Number of reclining positions ‎14
Batteries required ‎No
Orientation ‎Rear and Forward Facing
Rear-facing minimum child weight ‎5 Pounds
Rear-facing maximum child weight ‎50 Pounds
Forward-facing minimum child weight ‎22 Pounds
Forward-facing maximum child weight ‎65 Pounds
Harness type ‎5-Point
Item Weight ‎27.2 pounds

Additional Information

ASIN B0BWGZ3BVL
Customer Reviews
4.7 out of 5 stars 460 ratings

4.7 out of 5 stars
Best Sellers Rank #3,317 in Baby (See Top 100 in Baby)
#19 in Convertible Child Safety Car Seats

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Britax Poplar Convertible Car Seat, 2-in-1 Car Seat with Slim 17-Inch Design, ClickTight Technology, Cobalt Onyx


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Britax Poplar Convertible Car Seat, 2-in-1 Car Seat with Slim 17-Inch Design, ClickTight Technology, Cobalt Onyx
Britax Poplar Convertible Car Seat, 2-in-1 Car Seat with Slim 17-Inch Design, ClickTight Technology, Cobalt Onyx
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Price$329.99$429.99-9% $209.99
List:$229.99
$319.99-8% $349.99
List:$379.99
$299.99
Delivery
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Get it as soon as Thursday, May 8
Get it as soon as Wednesday, May 7
Get it as soon as Thursday, May 8
Get it as soon as Thursday, May 8
Customer Ratings
Sold By
material
min recommended weight
max. recommended weight
maximum height
minimum height
rear-facing min. weight
max rear facing weight
max forward facing weight
min forward facing weight
harness type
number of height positions

Customer reviews

4.7 out of 5 stars
460 global ratings

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Customers say

Customers find the car seat easy to install with its click-tight technology, and appreciate its comfort with plush cushions and soft material. The seat fits well in compact sedans and features a steel-reinforced frame for added security. They like its safety features, with one customer noting the steel base for protection, and appreciate its bright pink color options. While the car seat receives positive feedback for its build quality, customers find it super heavy.

AI-generated from the text of customer reviews

88 customers mention "Ease of installation"81 positive7 negative

Customers find the car seat easy to install, praising its click-tight technology, with one customer noting it takes just 3 minutes to set up.

"...I just love the quality of this brand. It’s very sturdy, easy to install, Clean and most importantly extremely comfortable for my babies...." Read more

"...It is super easy to install and adjust. The safety is the best when it comes to britax. Functionality is great. It looks and feels nice...." Read more

"...Now that I’ve uninstalled and reinstalled it a few times, I find it very easy. I love the click tight under the seat, it works great...." Read more

"...Baby fits in it perfectly. The install is SUPERIOR to any other car seat...." Read more

61 customers mention "Comfort"58 positive3 negative

Customers find the car seat comfortable, noting its plush design and soft material, with one customer mentioning it includes extra cushioning for infants.

"...sturdy, easy to install, Clean and most importantly extremely comfortable for my babies...." Read more

"...Functionality is great. It looks and feels nice. My baby is a sweater and there are no stains we've had this for 5 months...." Read more

"...It seems pretty comfy too...." Read more

"...Otherwise, the seat is comfortable, easy to install, and a great space-saving option for smaller vehicles. Definitely recommend!" Read more

61 customers mention "Fit"58 positive3 negative

Customers like how the car seat fits, particularly in compact sedans and behind the driver's seat, with one customer noting it accommodates three children rear-facing.

"...This is my second purchase of the poplar and I love the slim profile makes fitting two in the back of my Honda ridgeline a breeze with room for..." Read more

"...It is very cute, and fits decently in my compact sedan (Chevy Cruze). It seems pretty comfy too...." Read more

"...It is very easy to tighten and loosen. Baby fits in it perfectly. The install is SUPERIOR to any other car seat...." Read more

"The best slim fit car seat there is. Easy install with multiple recline levels. The seat itself is fairly light in comparison to others we have used...." Read more

43 customers mention "Car seat quality"43 positive0 negative

Customers find this car seat to be of excellent quality, particularly noting its suitability for Jeep Wrangler vehicles.

"...I just love the quality of this brand. It’s very sturdy, easy to install, Clean and most importantly extremely comfortable for my babies...." Read more

"...the Britax Poplar S for a little while now, and overall, it’s a fantastic car seat!..." Read more

"We have 2 of these, these are the BEST car seats ever. They do not move at all. I love mine and never will move out of this brand!" Read more

"...I had almost cut them out. I was so frustrated. The seat is still a great seat but I am not pleased with the way the shoulder pads were installed...." Read more

42 customers mention "Build quality"42 positive0 negative

Customers praise the car seat's construction, noting its steel-reinforced frame and secure design.

"...I just love the quality of this brand. It’s very sturdy, easy to install, Clean and most importantly extremely comfortable for my babies...." Read more

"...And we travel 12+ hrs to a destination. Its built with all steel framing that is what we were looking for and this is what we got...." Read more

"I am impressed at the quality of the car seat...." Read more

"...Material is nice and easy to clean if needed. Manual is easy to read and helpful with install instructions" Read more

29 customers mention "Safety"29 positive0 negative

Customers find the car seat safe and secure, with one customer noting it's easy to use and another mentioning there's no struggle with the vehicle's seat belt.

"...It is super easy to install and adjust. The safety is the best when it comes to britax. Functionality is great. It looks and feels nice...." Read more

"...the weight, but honestly, that’s to be expected—it has a steel base for added protection!..." Read more

"...It feels like a very safe car seat. We bought two. I tell everyone they could buy it!" Read more

"...When installed correctly, it’s definitely the safest place in the car. Buy the car seat." Read more

25 customers mention "Color options"25 positive0 negative

Customers like the car seat's color options, describing them as pretty and bright pink.

"...Functionality is great. It looks and feels nice. My baby is a sweater and there are no stains we've had this for 5 months...." Read more

"...I find the adjustments very easy to use as well. It is very cute, and fits decently in my compact sedan (Chevy Cruze)...." Read more

"Love this car seat! The color is beautiful and the install was the easiest I’ve ever done! The click tight is where it’s at!..." Read more

"WOW! Stunning and high quality. Narrow design but looks so comfy for my baby!..." Read more

24 customers mention "Weight"7 positive17 negative

Customers find the car seat heavy and bulky.

"I am impressed at the quality of the car seat. It is definitely heavier (sturdier) so you won’t be lugging it around but it is by far the best car..." Read more

"...The biggest two cons are that the car seat is very very heavy and the fabric part is difficult to get on and off. 1...." Read more

"...It is heavy and easy to install in the car, the cushions are enough, which can be removed as he grows. My son really liked the new seat...." Read more

"...car seats (I have two other Britax for my older kids): they're super heavy and the harness straps release button is hard to locate and activate...." Read more

Happy Toddler, happy siblings and great road trip+
5 out of 5 stars
Happy Toddler, happy siblings and great road trip+
We love britax! This was the best choice for our toddler. We are a sports family who is always on the road. And we travel 12+ hrs to a destination. Its built with all steel framing that is what we were looking for and this is what we got. It is super easy to install and adjust. The safety is the best when it comes to britax. Functionality is great. It looks and feels nice. My baby is a sweater and there are no stains we've had this for 5 months. Cleaning is simple or a simple youtube short. Best bang for your buck. The best!
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Top reviews from the United States

  • Reviewed in the United States on March 23, 2025
    Color: Stone OnyxStyle: PoplarVerified Purchase
    Bought this for my 2 year old that was regularly complaining of back pain in her old Graco seat. This is super nice material, thick padding, and so easy to loosen and tighten the straps. The release button for the harness is kind of in a weird spot, but causes no issues once you get used to it. We’ve had the seat for about 8 months now, done several road trips, and she has never complained.
  • Reviewed in the United States on March 23, 2025
    Color: CowmooflageStyle: Poplar SVerified Purchase
    WOW!
    Stunning and high quality. Narrow design but looks so comfy for my baby!
    I have been using these car seats since our first little one was 1 year old and now she’s 7. Ordered again that our newest baby turned 1. I couldn’t recommend Britax enough!

    The Poplar S with the cow print is just 😍
  • Reviewed in the United States on April 23, 2025
    Color: Sand OnyxStyle: Poplar SVerified Purchase
    The media could not be loaded.
    We love britax! This was the best choice for our toddler. We are a sports family who is always on the road. And we travel 12+ hrs to a destination. Its built with all steel framing that is what we were looking for and this is what we got. It is super easy to install and adjust. The safety is the best when it comes to britax. Functionality is great. It looks and feels nice. My baby is a sweater and there are no stains we've had this for 5 months. Cleaning is simple or a simple youtube short. Best bang for your buck. The best!
    Customer image
    5.0 out of 5 stars
    Happy Toddler, happy siblings and great road trip+

    Reviewed in the United States on April 23, 2025
    We love britax! This was the best choice for our toddler. We are a sports family who is always on the road. And we travel 12+ hrs to a destination. Its built with all steel framing that is what we were looking for and this is what we got. It is super easy to install and adjust. The safety is the best when it comes to britax. Functionality is great. It looks and feels nice. My baby is a sweater and there are no stains we've had this for 5 months. Cleaning is simple or a simple youtube short. Best bang for your buck. The best!
    Images in this review
    Customer image
    One person found this helpful
    Report
  • Reviewed in the United States on April 25, 2025
    Color: Stone OnyxStyle: Poplar SVerified Purchase
    Really nice
  • Reviewed in the United States on January 19, 2025
    Color: Stone OnyxStyle: PoplarVerified Purchase
    I am impressed at the quality of the car seat. It is definitely heavier (sturdier) so you won’t be lugging it around but it is by far the best car seat around. The shoulder pads and the buckle pad are thick. It is very easy to tighten and loosen. Baby fits in it perfectly. The install is SUPERIOR to any other car seat. I feel confident knowing that the car seat will protect baby in case anything happens. I will never buy a different brand of car seat again. I know there are a few that convert into booster seats but I don’t think it is worth sacrificing the safety that is needed when they’re younger. Booster seats are inexpensive. I’d rather purchase this one that fits and protects nicely in the first few years of life, and then later on purchase a booster. I love that baby is able to rear face longer as well. There is a level on it too so you know when you have the car seat reclined just right.
    4 people found this helpful
    Report
  • Reviewed in the United States on March 14, 2025
    Color: Arctic OnyxStyle: Poplar SVerified Purchase
    We’ve been using the Britax Poplar S for a little while now, and overall, it’s a fantastic car seat! The materials feel high-quality, and the steel-reinforced frame gives me confidence in its safety. I’ve seen a lot of reviews complaining about the weight, but honestly, that’s to be expected—it has a steel base for added protection! If you want a lightweight car seat, you’ll likely be sacrificing durability and safety.

    The only reason I’m giving it 4 stars instead of 5 is that the harness straps can be a bit difficult to tighten. It takes a little extra effort to get them snug, which can be frustrating at times. Otherwise, the seat is comfortable, easy to install, and a great space-saving option for smaller vehicles. Definitely recommend!
    3 people found this helpful
    Report
  • Reviewed in the United States on February 26, 2025
    Color: Arctic OnyxStyle: Poplar SVerified Purchase
    Great option for our son who was showing signs of being increasingly uncomfortable in his infant car seat as he grew. Now, our son kicks his little feet all the way—no more crying during car rides! Most importantly, it’s sturdy! My husband and I tried to wiggle it at it’s base after tightening and couldn’t. When installed correctly, it’s definitely the safest place in the car.

    Buy the car seat.
  • Reviewed in the United States on January 15, 2025
    Color: Arctic OnyxStyle: Poplar SVerified Purchase
    I will say that installing this car seat at first was a bit difficult and confusing for me, but I watch Britax’s video tutorials on youtube which helped. Now that I’ve uninstalled and reinstalled it a few times, I find it very easy. I love the click tight under the seat, it works great. The car seat is so secure and doesn’t move an inch. I find the adjustments very easy to use as well. It is very cute, and fits decently in my compact sedan (Chevy Cruze). It seems pretty comfy too.
    I, thankfully, can’t actually attest to the safety of this car seat, but Britax is highly rated in that department from what I’ve read. And I did a lot of reading before making my purchase.
    Overall, I really do like this car seat and recommend it. First time installation was difficult, but once you figure it out it is much easier. 👍🏻
    5 people found this helpful
    Report

Top reviews from other countries

  • Cristian J.
    5.0 out of 5 stars Muy buen artículo
    Reviewed in Mexico on July 9, 2024
    Color: Stone OnyxStyle: Poplar SVerified Purchase
    Excelente
  • arf arf
    5.0 out of 5 stars PERFECT
    Reviewed in Singapore on November 10, 2024
    Color: Stone OnyxStyle: Poplar SVerified Purchase
    PERFECT CAR SEAT