SKU: 26477319970
britax onyx

britax onyx Britax OPEN BOX Poplar Narrow Convertible Car Seat

Sale price$19.09 Regular price$21.21
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Ships within 48 hours · Estimated delivery Nov 15 - Nov 20

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For Your Every Summer RSVP, with Code: SUMMER15

Description

britax onyx Britax OPEN BOX Poplar Narrow Convertible Car SeatReady to go with room to grow! The Britax Poplar Convertible Car Seat takes the stress out of moving to the next car seat stage thanks to the patented ClickTight Installation and slim SpaceSaver design. This car seat accommodates up to 50 pounds rear facing to help keep your child riding safely even longer and easily switches to a forward facing car seat as your child grows. ClickTight Technology installation provides fully open seat belt paths that

Ready to go with room to grow! The Britax Poplar Convertible Car Seat takes the stress out of moving to the next car seat stage thanks to the patented ClickTight® Installation and slim SpaceSaver™ design. This car seat accommodates up to 50 pounds rear facing to help keep your child riding safely even longer and easily switches to a forward facing car seat as your child grows. ClickTight Technology installation provides fully open seat belt paths that are clearly labeled and easy to access, and the automatic tensioner takes care of the tightening. Slim outside and spacious inside, the toddler car seat features 17" SpaceSaver technology designed to fit 3-across* without compromising on trusted Britax safety and premium comfort. The Britax car seat boasts a patented SafeCell® crumple zone and V-shaped top tether to help manage crash energy. The reinforced frame and belt paths provide strength and stability. Rear facing car seat cover 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

Recommendation – Britax strongly recommends:

  • Children ride rear-facing to the highest weight or height specified
  • Children should remain in a child seat with a 5-point harness until reaching the maximum weight or height allowed
  • The top tether be used at ALL times when installing the child restraint forward-facing.

Why You'll Love it

ClickTight Installation

Install with confidence in three easy steps: open, thread & buckle, click it closed

SpaceSaver Design

Slim outside, spacious inside: 17” seat design without compromising on trusted Britax safety & premium comfort

Extended Rear-Facing

Fits up to 50 lbs and 49" to help keep your growing child riding rear-facing longer

Features:

14-Position, Quick-Adjust Headrest & Harness

Create the proper fit as your child grows

Patented V-Shaped Tether

Staged-release stitches help slow & reduce forward movement during a crash

Dishwasher Safe Cup Holders

Removable for easy cleaning between car rides

6-Position, Quick-Adjust Recline

Helps you find the most comfortable fit for your child & the best fit for your vehicle

SafeCell Technology

Acts as a crumple zone, helping to keep crash energy away from your child

5-Point Safety Harness

Helps evenly distribute crash energy to keep your child safe

Naturally Flame-Retardant Fabrics

With no added FR chemicals

Carbon Steel Frame

Reinforces the seat structure to help keep it sturdy and stabilized

Specifications

  • Product Dimensions: 20.5" x 17" x 23.5"
  • Harness Slot Heights: 8", 8.7", 9.4", 10.1", 10.8", 11.5", 12.2", 12.9", 13.6", 14.3", 15", 15.7", 16.4", 17"
  • Buckle Strap Depths: 4" - 7"
  • Child Weight: 5-65 lbs
  • Rear-facing Harnessed Height: Less than 49"
  • Forward-facing Harnessed Height: Less than 49"
  • Rear-facing Harnessed Weight: 5-50 lbs
  • Forward-facing Harnessed Weight: 22-65 lbs
  • Seat Area Depth/Width: 11" / 12"
  • Shoulder Width: 14"
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: 26477319970

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K Watson
Lexington, US
★★★★★ 5
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My go to brand for sublimation, everytime. You can't go wrong. Great quality tumblers. They will hold ice longer than any other off brand I've tried. Rims won't leak as long as you have them on correctly.
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Reviewed in the United States on June 15, 2025
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Bunny Ranch Mama
Belleville, US
★★★★★ 5
Great sublimation tumblers
Great quality and best value for your money sublimation tumblers. Easy to use and clean. They keep drinks cold and make the perfect gift. Perfect size
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Reviewed in the United States on March 28, 2025
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Donna Hayes-Whitaker
Lowell, US
★★★★★ 5
Hippo all the way
These hold color wonderfully!! Still years later very bright!! I also. Use hippo paper
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Reviewed in the United States on April 1, 2026
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Heather
Lexington, US
★★★★★ 5
I love this brand
I just started doing sublimation cups and would buy them at hobby lobby, but the market is saturated and they’re always out. So, I just bought a 4 pack from this company to try. They turned out great, I just don’t like metal straws, so I buy plastic ones separately. Then I went up to the 8 pack and again, wasn’t disappointed. They don’t sweat, the ice stays solid and the water stays cold overnight. I see sub cups and haven’t had anyone complain yet. They also sub really well. This is now my go-to company for sub cups.
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Reviewed in the United States on December 11, 2023
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Ashley Hunter
Massapequa, US
★★★★★ 5
Worked great
These worked amazing for sublimation
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Reviewed in the United States on January 9, 2026

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