britax starriser booster Britax UpNGo Backless Booster Car Seat – Baby Grand
SKU: 36947600787
britax starriser booster

britax starriser booster Britax UpNGo Backless Booster Car Seat – Baby Grand

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Description

britax starriser booster Britax UpNGo Backless Booster Car Seat – Baby GrandThe UpNGo backless seat booster gives your child the boost they need to move up into the final car seat stage and go anywhere with confidence. Designed for children from 40 120 lbs and 46 63", this booster combines the portability and convenience that parents look for with kid approved comfort and style. UpNGo is innovatively designed with PosturePlus to help encourage proper posture and seat belt positioning. It also includes a shoulder belt guide to

The UpNGo™ backless seat booster gives your child the boost they need to move up into the final car seat stage and go anywhere with confidence. Designed for children from 40-120 lbs and 46”-63", this booster combines the portability and convenience that parents look for with kid-approved comfort and style. UpNGo is innovatively designed with PosturePlus™ to help encourage proper posture and seat belt positioning. It also includes a shoulder belt guide to help keep the seat belt in the right place. The slim 17.1” SpaceSaver™ design means there’s more room for siblings or carpoolers, and the soft cushioning and large, padded armrests give your child that extra boost of comfort. Whether they're heading out for a shopping trip with grandma or hopping in with a friend on their way to a sleepover, they’ll feel confident navigating big-kid trips with this lightweight and easy-to-carry booster. They can keep their favorite after-school snacks and drinks close at hand in the two cup holders, which are dishwasher-safe for easy cleanup. The booster seat cover is safe to machine wash and dry, and it’s naturally flame-retardant with no added FR chemicals. The color-coded belt guides help kids learn how to buckle up correctly as they make the final car seat transition, setting them up for safety no matter where their journey takes them.

  • Boost, Buckle, Go: Belt-positioning booster lifts your child up to use the vehicle seat belt. 
  • Extended Maximum Capacity: Designed for children from 40-120 lbs and 46”-63".    
  • PosturePlus™ Contoured Seat: Helps encourage proper posture and seat belt positioning.    
  • SpaceSaver™ Design: 17.1” seat leaves plenty of room for siblings & carpoolers! This slim booster seat is designed to fit 3 across in most vehicles without compromising safety or comfort. *Britax cannot guarantee 3-across fitment in all vehicles.     
  • Lightweight & Portable: Thanks to the built-in carry handle and lightweight design, you can take this booster anywhere. Weighing under 4 lbs, it’s easy for both caregivers and kids to carry.  
  • Removable SafeWash® Cover: Safe to machine wash and dry. 
  • Naturally Flame-Retardant Fabrics: No added FR chemicals. 
  • Designed for Comfort: Kids can enjoy every ride thanks to the contoured seat with breathable foam and soft padding. Plus, the large, padded armrests provide that extra boost of comfort.  
  • 2 Dishwasher-Safe Cup Holders: Keep drinks and snacks within reach; easy to remove for cleaning between rides.   
  • Padded Carry Handle Cover: Helps ensure a comfortable grip.    
  • Color-Coded Belt Guides: Help kids learn how to buckle up safely.    
  • Shoulder Belt Guide: Helps keep the shoulder belt in the correct position, encouraging proper fitment as your big kid continues to grow. 
  • Soft & Smooth Knit Fabric: For comfort and a sleek appearance.  

Specifications

  • Dimensions: 9"H x 15.5"D x 17.1"W
  • Product weight: 3.1 lbs.
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: 36947600787

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4.2 ★★★★★
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K
Verified Purchase
Khaleesi
New York, US
★★★★★ 5
Great for the price
Color: Black, Style: With Headrest, Color: Black, Style: With Headrest
Purchased this chair for my son who does a lot of gaming. He loves it. Took about 30 mins to assemble. Instructions are very easy to follow. Pros - very easy to put together - very comfy back rest with arch adjustment - can recline - can adjust height - very stable - material is very sturdy - wheels moved smoothly over carpet - material is strong - solid black color Cons - limited adjustments with recline
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
N
Verified Purchase
Natalia Pebo
Battle Creek, US
★★★★★ 5
Good quality and good price
Color: White, Style: With Headrest, Color: White, Style: With Headrest
Very easy to assemble, comfortable, sleek design, and the colours are just as pictured. I can't speak on durability as I just got it. The back support works well. Something I loved is that the head and arms support adjust to your needs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
M
Verified Purchase
Ministry Of Truth
Belleville, US
★★★★★ 5
Would Buy Again!
Color: Black, Style: With Headrest, Color: Black, Style: With Headrest
Purchased this chair several months ago and very pleased with the quality, durability, lumbar support, head rest, rollers and multiple adjustment. I use it some 8 hours a day, it's very comfortable, and highly recommend. Thus far great product for the value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
K
Verified Purchase
Kindle Customer
San Leandro, US
★★★★★ 3
Needs improvements
Color: Light Black, Style: With Headrest
I bought 4 chairs for my table. Easy to put together. The arms are too short. They move too much and there is no way to lock the arms in place. The worse thing is the material used to cover the arms. It is sticky. Each chair has the same problem so I took a pair of socks to cover the arms. So, you should offer custom arm covers and a way to lock the arms. For the weight allowed the pneumatic support that holds and adjusts the height of the seat holds me quite well. The wheels stick out beyond the seat circumference so everyday I run into them as I go to sit down but it is a good thing as you can be seated and you are not going to flip over if you bend down from the seat to reach for something on the floor. The seat itself should be able to accommodate a person of a larger size a big man. It is like you made the chair for little people that weigh a lot (narrow seat, short arms, vs. a large wheel span and powerful the pneumatic pump). The neck support requires a pillow. Without the pillow my head and neck do not rest on the mesh. Regarding comfort, I sit in the chair for a lot of time each day. Although it feels a bit hard the seat is fairly comfortable. It would be more comfortable if it were bigger. I purchased these chairs because of the welcoming way the company describes itself, therefore, I hope they will make some changes to improve the chair. I would not buy them if I had the chance again, not without improvements made. I don't need four more chairs, so, I will live with my purchase. If the chairs already had those improvements my opinion would be different. They may be perfect for someone else of a different body type (and age).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 27, 2025
R
Verified Purchase
Ron M
Fort Morgan, US
★★★★★ 5
Finally a Chair That Fits and Feels Great
Color: Black, Style: With Headrest
I recently purchased the Marsail Ergonomic Office Chair, and overall, I couldn’t be happier with it. First off, assembly was incredibly simple. It took me about 30 minutes from start to finish, and the instructions were clear and easy to follow. All the parts were well packaged, and I didn’t run into any issues putting it together. For reference, I’m 6'2" and about 275 pounds, and this chair fits me very well. As a bigger guy, finding a chair that feels supportive and appropriately sized can be a challenge, but this one hits the mark. The seat is roomy without feeling oversized, and the overall build feels sturdy and solid. Comfort-wise, it’s been excellent. I work from home and spend about 8–9 hours a day in this chair, five days a week. The thick cushion seat really makes a difference, it stays comfortable throughout the day and doesn’t feel like it’s flattening out after hours of use. I also really like the mesh back. It provides good support while allowing airflow, which helps keep me cool during long work sessions. The only feature I wish it had is a recline lock at multiple angles. Currently, it only locks in the fully upright position. It would be great to be able to lock it slightly reclined for more flexibility during long workdays. That said, for the price, ease of assembly, and all-day comfort, this chair delivers tremendous value. I’m giving the Marsail Ergonomic Office Chair 5 stars and would definitely recommend it to anyone looking for a comfortable, supportive office chair, especially if you’re on the taller or bigger side like me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026

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