SKU: 89210701923
britax stroller sit up straight

britax stroller sit up straight Nuna FLEX System Stroller Seat

Sale price$25.10 Regular price$27.89
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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 stroller sit up straight Nuna FLEX System Stroller SeatMeet the Flex System Stroller Seat by Nuna an add on seat that gives your PIPA urbn flex system (sold separately) a longer life. With the seat being able to face both ways, your baby gets a front row seat to the world or you! Designed to effortlessly click on, whether you're moving on from infant days or just switching this up, this seat keeps the ride going without skipping a beat (or a step). The 3 recline positions of the Flex System Stroller Seat

Meet the Flex System Stroller Seat by Nuna - an add-on seat that gives your PIPA urbn flex system (sold separately) a longer life. With the seat being able to face both ways, your baby gets a front-row seat to the world or you! Designed to effortlessly click on, whether you're moving on from infant days or just switching this up, this seat keeps the ride going without skipping a beat (or a step).

The 3 recline positions of the Flex System Stroller Seat by Nuna can be smoothly adjusted with one hand, the canopy is generous, and the comfort? Fully upgraded and unmatched. And thanks to the same featherlight carbon fiber reinforced frame, you still get that smooth fold and carry you signed up for at the start.

With this clever design, this system keeps growing and getting smarter. With this seat the PIPA urbn flex system transforms into a complete stroller ready to roll into a new chapter. 

Use

  • Rotating and removable armbar for easier ins and outs
  • From 6 months up to 50 lbs

Security

  • Self-guiding MagneTech secure snap™ buckles automatically lock into place
  • 3 to 5-point no-rethread harness makes it easy to fasten them in

Comfort 

  • Removable organic jersey insert provides better-for-baby comfort
  • Adjustable calf support and durable footrest to accommodate growth

Premium Details

  • UPF 50+ water-repellant canopy is extendable and features a flip-out eyeshade and peek-a-boo window
  • Luxe leatherette armbar adds style to your strolls
  • All-season seat keeps baby cozy in the winter and easily converts to mesh in the summer

Dimensions:

Open product: 24" x 22 - 33" x 17"    

Folded product: 24" x 10" x 17"

Weight: 6.4 lbs

Recommended usage: Up to 50 lbs 

Cleaning tips: Seat pad: Machine wash in cold water, delicate cycle. Drip dry. Do not tumble dry. Do not iron. Do not dry clean. Do not bleach.

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: 89210701923

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4.2 ★★★★★
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Laura Healy
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★★★★★ 5
So comfy
These pillows are great! So comfy, no neck or back pain. I highly recommend them!
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Reviewed in the United States on May 1, 2026
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★★★★★ 5
⭐️⭐️⭐️⭐️⭐️ Incredible Comfort – Like Sleeping in a Luxury Hotel Every Night!
I am beyond impressed with the DIORIS Pillows Queen Size Set of 2! From the moment I laid my head on them, I knew I had found my new favorite pillows. They strike the perfect balance between soft and supportive, making them ideal for back, stomach, and side sleepers like me and my partner. The fluffy down alternative fill feels just like the real thing—plush, breathable, and incredibly comfortable without triggering my allergies. These pillows don’t flatten out overnight either; they maintain their shape and bounce back beautifully each morning. What really stood out to me was the hotel-quality feel. The outer fabric is smooth, skin-friendly, and breathable, helping me stay cool and sweat-free throughout the night. I wake up feeling refreshed, well-rested, and with no neck pain—which is a huge win! If you're looking for affordable luxury, I highly recommend these DIORIS pillows. They’ve completely upgraded my sleep experience, and I’ll definitely be buying another set for the guest bedroom!
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Reviewed in the United States on June 4, 2025
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James Amsler
Lexington, US
★★★★★ 5
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Color: Blue, Size: Queen Size Set of 2
They are huge and very fluffy queen size pillows, and they’re so comfortable. I’m actually laying on one right now.
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Reviewed in the United States on May 29, 2026
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MDecker
Chelsea, US
★★★★★ 5
Helps you get a good night's rest
Color: Blue, Size: Queen Size Set of 2
These are my favorite pillows. I've had so much neck pain and headaches in the morning. This all stopped once I started using them. They hold up their shape and seem like they are good quality. My husband kept trying to steal my pillow, so I had to order him his own. You won't be disappointed in these pillows, and you'll get much better sleep.
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Reviewed in the United States on May 26, 2026
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AnnMarie Rodriguez
Lowell, US
★★★★★ 4
Very soft!
Color: Blue, Size: Queen Size Set of 2
I like the softness of these pillows. They are too bulky for me but my husband loves his. I’ve been using a flat pillow for too long. I may just need to adjust to it.
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Reviewed in the United States on May 17, 2026

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