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Description
summer infant booster seat instructions Nuna LUMN Harness Booster 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
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.
Specifications
- Dimensions: 25.5" to 32.5"H x 23.5" to 26.25"L x 18.25"W
- Product Weight: 26.2 lbs.
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
4.8 ★★★★★
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Product Reviews
★★★★★ 4
Fantasy
Format: Hardcover
Not my favorite genre however the book is written really well and my students who love fantasy loved this book
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Reviewed in the United States on November 20, 2025
★★★★★ 5
Brilliant
Format: Hardcover
The First State of Being is a brilliant, highly readable middle grade book from the QUEEN of character-driven middle grade literature. This expansive sci-fi feels at once introspective and cinematic, leaping off the page like something made for a movie. This book will help young people and all readers reflect on our past and future as a human community, especially in terms of health advances, animal extinction, and the potential for technological development. It also highlights the love and fight in a mother and the need to view life through a positive lens by focusing most on the present, not our past or future.
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Reviewed in the United States on February 2, 2025
★★★★★ 5
Which Came First?
Format: Hardcover
Of course this won the Newberry award. From the first word, it reminded me of Donna Barba Higuera's The Last Cuentista. A plot so different and imaginative that you wonder how anyone could have thought of it and then carried it out. It's a story of a young boy who is trying to take care of the single mother who seems unable to take care of the family, through no fault of her own. It's a sci-fi fantasy. And it's a story of taking care of each other. At the totally satisfying end I found myself wondering about the chicken and the egg. Thinking I may have to read this one again to see if I can figure it out.
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Reviewed in the United States on March 3, 2025
★★★★★ 5
Perfect Choice
Format: Hardcover
Excellent YA / SCI-FI novel. Pretty well captures the spirit of a 12-year-old boy.
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Reviewed in the United States on December 25, 2025
★★★★★ 4
Well-written, twisty novel for middle school children
Format: Kindle
This is Kelly’s second Newbery Medal, the first being for *Hello, Universe* in 2018. Both are well-written novels for middle-grade children and should have a lot of appeal for that age.
It's the year 1999, early fall, an apartment complex in Delaware. 12-year-old Michael is worried that the Y2K bug will cause the collapse of civilization on January 1, 2000. He has been stealing cans of food to create an emergency stash under his bed. He has started a new school, and his only friends are the apartment complex maintenance man and his high-school-age after-school babysitter, Gibby. Michael’s father is dead, and his mother works long hours to make ends meet.
One day a strange kid shows up in the complex, dressed in unusual clothing and asking odd questions like, “What year is this?” It doesn’t take an experienced science fiction reader to suspect that this kid, Ridge, is from the future. He is interested in observing late 20th Century American culture. But he also wants Michael and Gibby to help him figure out how to get back to the future without interfering with the past and thus changing his own timeline. The 1999 part of the story is interspersed with notes about the future and the panicked dialog of Ridge’s family as they try to investigate what happened to him.
It probably doesn’t have many new ideas for adult readers, but it will be surprising and exciting for readers ages 12 and up
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Reviewed in the United States on September 9, 2025