SKU: 30854975592
maxi cosi stage 3 car seat

maxi cosi stage 3 car seat Maxi-Cosi

$18.50 $20.56
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

maxi cosi stage 3 car seat Maxi-CosiIntroducing the Pria All in One convertible car seat, baby's first and only car seat. Now featuring PureCosi, surround your child in comfort and safety from the first ride home. Whats in a Name, You Ask? Just like the care you take to name your new little bundle of joy; we take great care in choosing names that best explain what you get with our products. And if our car seats have everything you need all in one, why not come out and say it? So, here

Introducing the Pria All-in-One convertible car seat, baby's first and only car seat. Now featuring PureCosi™, surround your child in comfort and safety from the first ride home.

What’s in a Name, You Ask?

Just like the care you take to name your new little bundle of joy; we take great care in choosing names that best explain what you get with our products. And if our car seats have everything you need “all in one”, why not come out and say it? So, here it goes – our convertible car seats will now carry the name “All-in-One”. From birth to ten years, you get everything you need in a single car seat to keep your child cozy and safe. All in one is all you need.

All-in-One Seating System

With the Pria All-in-One, you can take comfort in knowing that you’ll have a safe, comfortable car seat for your child, from birth to 10 years old. Children can ride rear-facing, from 4-40 pounds; forward-facing to 65 pounds; and up to 100 pounds in booster mode. It may be the only car seat you’ll ever need. Converting to each new stage is simple and intuitive, so you can quickly make car seat adjustments. It allows for a wide range of adaptability with its 3-position recline, 5 headrest heights, along with a QuickFit shoulder harness.

Superior Safety Features

Drive with confidence knowing that the Pria All-in-One is backed by over 30 years of European engineering and exceeds all federal standards, including FMVSS 213. GCell® side impact protection is built into the headrest to cushion the impact, and protect your child around the head where it’s needed most. The QuickFit shoulder harness automatically raises the harness and headrest height to fit your growing child. Children grow at different rates so it’s important to have the flexibility to customize your car seat to ensure that you keep safety where you need it, when you need it.

PureCosi™ & Supreme Comfort

At Maxi-Cosi we are committed to caring for precious life, ensuring that only the highest quality materials are used in our products. With the introduction of PureCosi™ we have started and will continue to launch new fashions that no longer require the addition of fire-retardant chemicals. Because we know, that carrying the future means protecting your little one, and our planet.

Soft-to-touch cushions and premium fabrics and padding throughout provide supreme comfort for your child during the journey. The Pria All-in-One fabrics are designed to keep your little one comfortable and cozy. The covers are easy to remove, machine washable and dryer safe.

Pria All-in-One. Designed to keep up with your growing family.

Features:

  • QuickFit shoulder harness automatically raises the harness and headrest height.
  • In and Out harness holders keep straps out of the way when buckling.
  • Removable infant pillows provide extra support and comfort.
  • One-click LATCH connectors for easier installation.
  • Easier and faster to install correctly in the car.
  • Both dishwasher safe and easy to remove.
  • Seat pad and harness covers are both machine washable and dryer safe.
  • Rear Facing 4-40lb and 19-40 in.
  • Forward Facing 22-65lb and 29-49 in.
  • Booster 40-100lb and 43-52 in
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: 30854975592

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4.3 ★★★★★
Based on 1107 reviews
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Verified Purchase
Danielle Chen
Chelsea, US
★★★★★ 5
Perfect Balance of Comfort, Support, and Style!
Size: 934-Z, Color: Black, Size: 934-Z, Color: Black
I’ve been using this chair for a few weeks now, and I’m genuinely impressed with how much of a difference it’s made in my workspace. The mesh back is one of my favorite features—it offers excellent breathability and prevents that sticky, overheated feeling you sometimes get with solid-back chairs, even after sitting for hours. The seat cushion is firm enough to give proper support but still has enough give to keep me comfortable through long workdays. It feels like the perfect middle ground between soft and supportive. The adjustable foot ring has been a complete game changer for me. I use a taller desk setup, and having somewhere to rest my feet makes a huge difference in posture and overall comfort. Whether I’m sitting upright for focused work or leaning back to read, it’s always at the right height. The flip-up armrests are another smart design choice. When I’m typing, I like to have them down for support, but when I’m done, I can flip them up and push the chair neatly under my desk—saving space and keeping things tidy. The casters roll smoothly on both hardwood and rugs, so I can move around easily without scraping the floor or getting stuck. The overall build quality feels solid and sturdy, with no wobbles or creaks. Assembly was surprisingly quick—everything was clearly labeled, the parts felt durable, and it only took me about 20 minutes from opening the box to sitting in the chair. The sleek, modern look is another big plus—it blends in perfectly with my home office décor without feeling bulky or taking up too much visual space. If you’re looking for a chair that combines comfort, ergonomic support, durability, and style, I can’t recommend this one enough. It’s equally great for work, studying, or just relaxing at your desk, and it’s definitely been worth every penny.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2025
S
Verified Purchase
sleepywan
Belleville, US
★★★★★ 3
OK for the price, but overall comfort is avergae
Size: 934-Z, Color: Mustard
Easy to put together, color (mustard) accurate to images, and while I understand this is not a high-end chair, I feel like it still needs to be rated for its quality. Pros: the seat cushions are fairly comfortable and it rolls well. Adjustable footrest is easy enough and mostly sturdy. Cons: For a tall office chair, it doesn't go up high enough. I actually had to lower my standing desk to sit at it, which then isn't where I want it when I'm standing now. It's also a bit wobbly. The seat area's attachment to the post isn't as solid as it should be for a tall chair, so while sitting, it does tend to lean/slope forward and wobble side to side. The lumbar support is not adjustable, so I'm not even really sure what it does. And the armrests are not very comfortable to use. Since they are hard plastic, they are just a bit too rigid to rely on for any comfort. They are basically there to hold on to when you're getting out of the chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
M
Verified Purchase
Mel
Louisville, US
★★★★★ 4
Good Value for a Tall Chair
Size: 934W-Z, Color: White
I have received this chair just today and would like to give my first impressions of it. Height is super adjustable as well as the foot rest. My desk is very tall (~34 inches vs standard ~29 inches) and does not suit a standard height chair. This chair's height is enough to sit comfortably at mybut also still having adjustment to be even higher. Lumbar support is a manual adjustment that can be adjusted by sliding the lumbar piece up or down and it seems it can be tiled as well. No reclining feature or slight backrest tilt adjustment. I'm used to my chairs reclining so it feels a little awkward siting in a flat base and straight backrest. I feel like I'm sitting too forward or leaning forward slightly but is probably something I can get use to. Easy to put together and feels very sturdy. Plastic parts of chair are made from a really sturdy plastic, like playhouse plastic materials. Wheels roll around carpet easily. Mesh seems to be a strong material, though the mesh feels kind itchy on bare skin. Overall, I think this is a good chair to get if you're needing a tall chair for a good value and can sacrifice no backrest tilt.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
T
Verified Purchase
Tram
Omaha, US
★★★★★ 5
Excellent value for money!
Size: 934W-Z, Color: Black, Size: 934W-Z, Color: Black
I absolutely love this office chair! I needed a chair that could support my standing desk without sacrificing comfort, and this one completely exceeded my expectations. It's incredibly sturdy and durable, well-made, and the height adjustment is super convenient, making it easy to find the perfect fit. Even during long hours of work, the seat is comfortable, and the ergonomic design effectively reduces pressure on my back and legs. I love its clean, modern look—it fits my home office perfectly. Assembly was quick and easy, and for this price, the quality is absolutely fantastic!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
L
Verified Purchase
Lisa Bjornstad
Birmingham, US
★★★★★ 5
Perfect chair!
Size: 934-Z, Color: Blue, Size: 934-Z, Color: Blue
I have an adjustable-height desk (also purchased from Amazon) and needed a drafting chair for those times when my body gets tired of standing. This chair fits the bill and then some! I put it together myself; it took me about an hour, but would take me about half that next time, since now I know what to do (and what NOT to do!). All the parts were there; there are even spare parts (see photo). All the holes were drilled in exactly the right places, too, which isn't always the case when I buy things from Amazon (my standing desk is a great example). The chair fits me; I'm short (5'3.5"), and often the seats of furniture are too deep for me to rest my feet flat on the floor. The depth of the seat on this chair is just a little over 18 inches, and with the adjustable footrest ring, it's perfect. I don't think a tall or heavy person would fit in it, to be honest. But it's perfect for those of us who are vertically challenged. I love that it glides easily on my hardwood floors and that it turns 360 degrees. The chair comes in numerous luscious colors, so take your pick! It is very sturdy, has good lumbar support, and the seat and seat back are very comfortable. And the arms flip up, which was an absolute must when I was shopping for this chair. I got it on sale, too -- $109.00 -- and I'm delighted with this purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026

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