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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26
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Description
summer infant duomat car seat mat Nuna Lumn Harness Booster Car SeatSay goodbye to eye rolls and the 'too old for this' debate. Say hello to a seat that finally speaks their language. The LUMN is a combination seat that matches their big kid style, keeping up with all their growth spurts and bringing the coolness factor. With multiple headrest and recline positions when tethered, this forward facing harness car seat transforms to a belt positioning booster to deliver customized comfort for your child and a tailored
Say goodbye to eye rolls and the 'too old for this' debate. Say hello to a seat that finally speaks their language. The LUMN is a combination seat that matches their big kid style, keeping up with all their growth spurts and bringing the coolness factor.
With multiple headrest and recline positions when tethered, this forward-facing harness car seat transforms to a belt-positioning booster to deliver customized comfort for your child and a tailored fit for your car. Sleek automotive-style leatherette accents create a big kid appeal built to withstand the day-to-day of childhood. It's conveniently wipeable, and the seat pad is machine-washable, making cleanup a breeze.
The LUMN takes them from little kid to bigger kid with a backseat glow-up to see them through all the milestones–with extra points for style.
Use
- Harness to booster taking them from little kid to bigger kid in stylish security
- 5-point no-rethread harness stows away when converting to booster
- 9 recline options in both harness and booster modes when tethered
- Bubble-free recline guides confirm the perfect riding angle
- 10-position height-adjustable headrest to accommodate growth
- Machine-washable fabrics and inserts– seat pad removes separately for added convenience
- Slim design fits 3 across in most mid-sized vehicles
- Designed for longevity with up to a 10-year life span
- Airline approved and FAA-certified for use in harness mode
Safety
- All-steel frame and reinforced belt path for superior protection
- Aeroflex™ side impact protection system uses lightweight EPP foam to absorb energy and minimize force transferred during a side-impact collision
- Certified to latest side and frontal impact standards (FMVSS No. 213a and 213b)
- True tension™ door for a secure install in harness mode
- Open belt path provides an easier path for booster-mode buckling
- Push on latch connectors secure the car seat to the vehicle anchor points
Comfort
- Ergonomic armrests are padded for extra comfort
- All-weather micro knit fabric provides all-season comfort
- Leatherette-wrapped calf support for comfort that grows with them
Premium Details
- Smart design and long-term security with a coolness factor
- Sleek automotive-style leatherette accents create a big kid appeal
- Pop-out cup holders are removable and hand washable
- Fire-retardant free: from fabric to foam and beyond, each element is smartly sourced to be both flame resistant and contain no added fire-retardant chemicals
- GREENGUARD Gold Certified: Products that have achieved GREENGUARD Gold Certification are scientifically proven to meet some of the world's most rigorous third-party chemical emissions standards, and certified to not contribute to indoor air pollution or chemical exposure
Technical Features
- Harness to booster taking them from little kid to bigger kid in stylish security
- 5-point no-rethread harness stows away when converting to booster
- 9 recline options in both harness and booster modes when tethered
- Bubble-free recline guides confirm the perfect riding angle
- 10-position height-adjustable headrest to accommodate growth
- Machine-washable fabrics and inserts– seat pad removes separately for added convenience
- Slim design fits 3 across in most mid-sized vehicles
- Designed for longevity with up to a 10-year life span
- Airline approved and FAA-certified for use in harness mode
Recommended Usage
To use this child restraint, your child must meet BOTH the weight and height requirements below:
- Weight: 30-110 lb
- Height: 34-57 in.
In harness mode, child must be at least 30 lbs up to 65 lbs and between 34-49"" tall.
In booster mode, child must be at least 40 lbs up to 110 lbs and between 43-57"" tall.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.6 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
ABSOLUTELY A MUST for Omegaverse Girls!!!
I ABSOLUTELY LOVE Jillian West and her books!!! I’m so happy I already bought book two and now I have to buy the others for the Assurance Security series!!
Not gonna lie Val kind of annoyed me at the beginning but she grew on me!! Her men are chef’s kisses!!! Holt annoys me some but I can let it slide. I already bought part two so I’m going to be reading that in between work phone calls!!!! DON’T TELL MY BOSS 😂😂😂😂
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Reviewed in the United States on September 30, 2025
★★★★★ 4
Baby bumps and bodyguards
Format: Kindle
Dark, emotional, and unexpectedly tender, Not Ready is an omegaverse romance that delivers found family feels, fierce protectiveness, and a very pregnant heroine who refuses to break. Vale’s on the run from a stalker, but lands in the arms of three private security alphas, cue the swoony tension, fake marriage twist, and slow-burn heat.
It’s a little gritty, a little soft, and a whole lot addictive. If you love protective alphas, high stakes, and heroines with quiet strength, this one’s a must-read.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Strong Omegaverse Comfort and a Attention Grabbing Plot
Format: Kindle
Jillian West never misses when it comes to Omegaverse, and Not Ready is no exception. This story was the perfect blend of cozy comfort and emotional depth while still delivering a strong plot.
Vale is such a powerful heroine, she is strong, capable, and determined but I love that she still allows her pack to love and take care of her. It’s that balance of independence and vulnerability that makes her so relatable.
The relationship dynamics were amazing: Bishop is steadfast and completely head over heels, Mercy is skeptical but protective in his own way, and Holt is the hesitant one whose slow fall is so satisfying to watch unfold.
The romance hits that sweet spot between insta-love and cautious build, keeping me hooked the entire way through. And that ending. Oh my god, the cliffhanger! I need the next book in this duet immediately.
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Reviewed in the United States on August 28, 2025
★★★★★ 5
Interesting
Format: Kindle
So I will say I enjoyed the story, for sure had its moments where it dragged but it was a great story. I really liked that omegas picked their alphas/make the pack. Normally the Alphas make it and the omega fits in with them which is great but I enjoyed this new version where all the power basically went to the omega. It was a nice change of pace. I can admit some of the weird bedroom stuff with her being pregnant was odd, it’s really not hard to do stuff when pregnant (I know I’ve had two and it’s normal and even encouraged at the end especially if you want the baby out). But I like the story as a whole and will read the second, I do hope the next one isn’t dragged bc it stopped being action or tense after she met her alphas and I don’t think it was brought up or properly done when they tried to do it. More sweet after she left.
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Reviewed in the United States on November 11, 2024
★★★★★ 3
I’m a little disappointed.
Format: Kindle
I usually like Jillian West’s books but this one was missing a lot for me. The pregnancy didn’t come across as real. She’s on her feet for 12 hour days but is perfectly healthy at 8 months pregnant? Yet the week she moves in all of a sudden she’s not? She is planning on actually running during one of the plot buildups. But at 8 months pregnant that’s incredibly hard to do. The lack of breathing ability and lung space, the change in body center, mass, and gravity. All of it prohibits running, unless you’re an athlete this didn’t come off as at all realistic.
I didn’t feel any connection with the alphas. There wasn’t any emotional connection. It could be because of the tense it was written in. But I didn’t get any deep feelings out of this. It came across as checking off boxes. Even the spicy scenes weren’t really believable for me. I wanted to see them fall for her, and it just kind of all fizzled. Even Bishop.
One thing I did really like was the ending. I did not see it coming and I’m interested in reading book two because of it. But on the whole this book was mostly disappointing for me.
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Reviewed in the United States on March 16, 2024