SKU: 10543533836
britax car seat sizes

britax car seat sizes Britax Poplar Convertible Car Seat

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Description

britax car seat sizes Britax Poplar Convertible Car SeatBritax Poplar Convertible Car Seat: Ready for Now and the Future Say goodbye to car seat worries! The Britax Poplar Convertible Car Seat grows with your child while offering unmatched safety, convenience, and comfort. Featuring the patented ClickTight Installation and a slim SpaceSaver design, this seat makes transitioning to the next stage seamless for parents and safe for kids. Designed to accommodate children from 565 lbs, it supports rear facing

Britax Poplar Convertible Car Seat: Ready for Now and the Future

Say goodbye to car seat worries! The Britax Poplar Convertible Car Seat grows with your child while offering unmatched safety, convenience, and comfort. Featuring the patented ClickTight® Installation and a slim SpaceSaver™ design, this seat makes transitioning to the next stage seamless for parents and safe for kids.

Designed to accommodate children from 5–65 lbs, it supports rear-facing up to 50 lbs to keep your little one safer for longer, and transitions to forward-facing with ease. The slim, 17" profile allows for *3-across installations in most vehicles while offering spacious comfort for your child.

Key Benefits

ClickTight Installation

Installing the seat is effortless with three easy steps: open, thread and buckle the seatbelt, and click it closed. The fully open belt paths and automatic tensioner ensure a perfect fit every time.

SpaceSaver Design

Slim outside, spacious inside. The 17" seat width is designed to fit comfortably without compromising on the safety and premium comfort you expect from Britax.

Extended Rear-Facing Capability

Safely accommodates children up to 50 lbs and 49" tall for prolonged rear-facing use, offering added peace of mind for parents.

Why You'll Love It

  • 14-Position, Quick-Adjust Headrest & Harness: Easily adjust as your child grows for a proper, snug fit.
  • Patented V-Shaped Tether: Helps reduce forward movement in a crash with staged-release stitches for added safety.
  • Dishwasher-Safe Cup Holders: Conveniently removable for quick cleaning.
  • 6-Position Recline: Find the perfect angle for comfort and vehicle compatibility.
  • SafeCell Technology: Absorbs and manages crash energy for added protection.
  • 5-Point Safety Harness: Ensures even distribution of crash forces to keep your child secure.
  • Naturally Flame-Retardant Fabrics: Free of added FR chemicals and safe for machine washing and drying.
  • Carbon Steel Frame: Reinforces the seat for exceptional stability and durability.

Specifications

  • Dimensions: 20.5" x 17" x 23.5"
  • Child Weight: Rear-facing 5–50 lbs; forward-facing 22–65 lbs
  • Child Height: Less than 49"
  • Harness Slot Heights: 14 positions from 8" to 17"
  • Buckle Strap Depths: 4"–7"
  • Seat Area Depth/Width: 11"/12"
  • Shoulder Width: 14"

Safety Recommendations

Britax strongly recommends:

  1. Rear-Facing: Keep children rear-facing to the maximum weight or height allowed.
  2. 5-Point Harness: Use the 5-point harness until your child reaches its maximum capacity.
  3. Top Tether Usage: Always secure the top tether when the seat is installed forward-facing.

Why Choose Britax?

Britax has a legacy of safety and innovation, and the Poplar Convertible Car Seat embodies these values. With its advanced features, durable construction, and commitment to your child’s safety, this car seat is the perfect choice for your growing family.

*Fitment of 3-across installations may vary depending on the vehicle.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 10543533836

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4.1 ★★★★★
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Asha
Dallas, US
★★★★★ 5
The Perfect Firm Pillow l
Size: Queen (1 Count), Color: Original White (Cooling)
It is everything it claims to be, cool, comfortable and strong. I got this for my husband first, he loves it and then got one for my son, he uses it to support his knees and has been sleeping much better since then. They both needed a firm pillow that is not super soft, firm but not achy. Finally found the perfect one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
T
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TJ
Bozeman, US
★★★★★ 5
Feel like I am in hotel
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
These pillows are absolutely amazing! They feel just like the luxurious ones you find in high-end hotels—soft, fluffy, and super comfortable. They provide great support for my head and neck, helping me sleep better every night. The white design is clean and classic, and they hold their shape well without going flat. I bought two and couldn’t be happier—worth every penny! Highly recommend for anyone wanting hotel-quality comfort at home.
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Reviewed in the United States on April 1, 2026
A
Verified Purchase
Alyssa Romano
Belleville, US
★★★★★ 5
Great set of pillows!!!
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
I ordered this set of two down alternative pillows to replace some older pillows, and I’m honestly really impressed with the quality. Right out of the package, the pillows fluffed up nicely and felt soft yet supportive. They have that plush feel you want without being too flat or too firm, which makes them comfortable in multiple sleeping positions. I’ve been sleeping on these for a bit now and they’ve held their shape well throughout the night. They provide good neck support while still feeling cozy, and I don’t wake up with soreness or stiffness. What I like most is how breathable they feel compared to some other pillows I’ve tried. They stay comfortable without overheating, and the down alternative fill makes them a great option for anyone with allergies. Overall, this set is an excellent value for the price. If you’re looking for soft, supportive pillows that feel comfortable and well made, I would definitely recommend these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
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Gary
Natrona Heights, US
★★★★★ 4
Great, soft, high-quality pillows, but too thick for me
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
This will be a brief review of my pillow journey. I tried a few of the most popular pillows, like MyPillow, Amazon Basics, bamboo/shredded foam, memory pillows, but my most common complaint about them were that they were all just too high and firm for me. I am a restless sleeper and alternate between back, side, and stomach sleeping, and I strongly preferred the stomach sleeper/flat pillows with a polyester fiber/down alternative filling. Here's a ranking of my 4 top pillows: Eversnug Adjustable Layer Pillows - (#1) These were THE pillow for me. I had never heard of these pillows or the company, but I really like being able to adjust my pillow. These pillows came with 2 small, 2 medium, and 2 large pillows and 2 twin zippable pillow pouches. All of them were polyester fiber filled and somewhat flat and soft, but not lumpy. The pillows may not come the exact same sizes, but they are close enough for me. These are the pillows I ultimately decided to stick with, despite being slightly more expensive than the others at $50 for a set of 2 pillows. Nappler Bamboo Shredded Memory Foam Pillow - (#2) Before I found the Eversnug pillows, I was trying the adjustable bamboo shredded memory foam ones. These were my go-to whenever I was testing pillows I didn't like very much. The only downside to these pillows is that if you don't add enough filling, you could feel the edges of the shredded foam. Also, the "bamboo" cover was way too warm and the inner zipper would get too easily caught. Amazon Basics Down Alternative Pillow - (#3) I don't think I've ever been disappointed by an Amazon Basics product yet. These pillows were soft, amazing pillows, but they were 1-2 inches too thick/firm for me. MyPillow - (#4) Despite all the hype around these, they were too lumpy and 1 inch too thick for me. Like I said previously, I ended up going with the Eversnug Adjustable pillows, which I absolutely adore. A tiny bonus is that you can take the pillows you don't use and rest them on your sides or between your knees for some extra cushioning.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 12, 2023
Y
Verified Purchase
Yi Xuan
Battle Creek, US
★★★★★ 5
Good price and pretty comfortable
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
These down alternative pillows are incredibly soft and comfortable, especially for stomach and back sleepers. The soft density gives just the right amount of support without feeling too firm or too flat. I’ve been sleeping much better since switching to these pillows, and they stay fluffy throughout the night. I also love that they’re hypoallergenic, so there’s no irritation or overheating while sleeping. The standard size fits perfectly in my pillowcases, and the white color looks clean and fresh. Getting a 2-pack at this quality is a great value. Highly recommend for anyone looking for cozy, hotel-style pillows at an affordable price!
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Reviewed in the United States on May 11, 2026

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