SKU: 16541706111
britax 3 across

britax 3 across Britax Poplar Convertible Car Seat

Sale price$18.34 Regular price$20.38
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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For Your Every Summer RSVP, with Code: SUMMER15

Description

britax 3 across Britax Poplar 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

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

Britax Poplar Convertible Car Seat More 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

Britax Poplar Convertible Car Seat Features SafeWash Fabrics:

Safe to machine wash & dry: Fabrics are free of FR chemicals and washer and dryer-friendly to get you back on the road faster.

Product Specifications:

  • Brand: Britax
  • Magenta Onyx SKU: E1C933Q, UPC: 652182743079
  • Stone Onyx SKU: E1C933M, UPC: 652182743055
  • Cobalt Onyx SKU: E1C933R, UPC: 652182743086
  • Glacier Graphite SKU: E1C933N, UPC: 652182743062

See Entire Britax Collection

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: 16541706111

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4.7 ★★★★★
Based on 15 reviews
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C
Verified Purchase
C. Andrews
Natrona Heights, US
★★★★★ 5
Great Mineral supplement, easily incorporated into food/drinks. No notable taste!
Flavor Name: Unflavored, Size: 2 Fl Oz (Pack of 1)
I would give 20 Stars if I could, too. It takes a few to 6 weeks to begin to experience the benefits, but when you do: Increasd energy, stamina, fingernails are stronger, and more. The liquid blends easily with any drink you have, it's pretty much flavorless and seems easily digestible.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
B
Verified Purchase
BN
Port Orchard, US
★★★★★ 5
Good stuff
Flavor Name: Unflavored, Size: 8 Ounce (Pack of 1)
I agree with many of the reviews, as far as the taste being horrible…It really is, it’s just so salty, that it doesn’t want to go down..I now mix it with a small amount of juice, equivalent to a shot glass…I can still taste it but nothing bad..You can try brushing your teeth first or suck on an ice cube before hand…That numbs the taste buds It’s definitely a good product…The first day I took it, I did a 1/2 tsp = 40 drops, at night…I had horrible dreams and I never remember any of my dreams ever and I woke up with a mild headache that lasted just about all day..I wasn’t going to continue the drops…I then decided to divide the dosage in 1/2, I took 20 drops in the morning and 20 at night…That made a huge difference..I wake up no problem in the mornings. I don’t feel tired,I feel more focused now and my hot flashes aren’t as bad…I also have more energy throughout the day..I don’t have issues with pain, my one knee does click and that’s even gotten better. I have been taking it for about a week now…My husband is also taking it, ever since he had “Covid”, back in 2021,he had dry mouth and was drinking so much water and it wasn’t helping…He’s been on it for about 4 days now and has noticed a big difference in the dry mouth. I will definitely continue to take this product. I don’t normally write reviews, unless either, I really like a product or despise one and try and let people know. It is a little pricey compared to others, but it lasts a long time…Our foods now are depleted because the soil isn’t rich in minerals anymore..I would definitely recommend this product.
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Reviewed in the United States on March 1, 2024
J
Verified Purchase
Jerome
Carnegie, US
★★★★★ 4
Liked it a lot
Flavor Name: Unflavored, Size: 8 Ounce (Pack of 1)
Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
M
Verified Purchase
muitobem
Dallas, US
★★★★★ 5
Great product
Flavor Name: Unflavored, Size: 4 Fl Oz (Pack of 1)
Product is easy to use. Started out slow as it recommends. It never caused upset stomach. I use it daily in my first water of the day. There is no flavor to it nor smell. I recommend this product.
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Reviewed in the United States on May 20, 2026
A
Verified Purchase
a1
Los Angeles, US
★★★★★ 5
Add the right amount
Flavor Name: Unflavored, Size: 8 Ounce (Pack of 1)
Previous reviewers are adding too much of Concentrace to filtered water. Add only about 20 drops in a gallon of Zero Water filtered water. This will bring the TDS (total dissolved solid) from 0, after using the Zero Water pitcher, which is basically distilled water, to about 110 TDS an ideal level. This doesn't mean that this will replace all of your daily mineral needs because water alone is not designed to do this. You will get the rest of the needed minerals from food and any supplements that you may take. You may also want to consider using a LifeStraw pitcher after filtering with the Zero Water pitcher. Because the Zero Water will remove all dissolved solid including some bacteria, PFAS, and microplastics. But LifeStraw will remove most of the microplastics, DBPs, VOCs, PFAS and pharmaceuticals. One long filter in the Life Straw pitcher will last over a year since you're already using filtered water, but the round filter would need more frequent replacement - it has 2 parts. You must use both filters in the Life Straw pitcher, even after using the Zero Water pitcher. There's a new documentary special on Netflix (May/'26) on microplastics and its dangers that everyone should see. Extremely informative.
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Reviewed in the United States on May 5, 2026

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