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🚗 Elevate your big kid’s ride with safety and style!
The Graco Junior Maxi i-Size R129 Highback Booster is a lightweight, safety-certified car seat designed for children 100-150cm tall (approx. 3.5 to 12 years). Featuring a 10-position adjustable headrest, retractable cupholders, and a machine-washable seat pad, it combines comfort, convenience, and compliance with the latest R129 safety standards in a sleek Midnight finish.








| ASIN | B0BMGNDJHV |
| Age Range Description | Kid |
| Best Sellers Rank | 260 in Baby Products ( See Top 100 in Baby Products ) 2 in Car Seats (Baby Products) |
| Brand | Graco |
| Brand Name | Graco |
| Colour | Midnight |
| Country Of Origin | China |
| Customer Reviews | 4.7 out of 5 stars 3,441 Reviews |
| Forward Facing Car Seat Minimum Height | 60.5 Centimetres |
| Forward Facing Maximum Weight | 36 Kilograms |
| Harness Type | 3-Point |
| Included Components | Car seat, instruction manual |
| Infant Toddler Car Seat Type | Booster Car Seat |
| Installation Type | Seat Belt |
| Installation type | Seat Belt |
| Item Dimensions D x W x H | 53.7D x 40.8W x 81.7H centimetres |
| Item Type Name | car seat; big kid car seat; toddler car seat; forward facing car seat; R129; i-size |
| Item Weight | 3.49 Kilograms |
| Manufacturer | Graco |
| Manufacturer Part Number | 8CT899MDNEU |
| Manufacturer Warranty Description | 2 year manufacturer |
| Material | Alloy Steel, Polyester, Polypropylene |
| Material Type | Alloy Steel, Polyester, Polypropylene |
| Maximum Height Recommendation | 150 Centimetres |
| Maximum Weight Recommendation | 36 Kilograms |
| Minimum Height Recommendation | 100 Centimeters |
| Minimum Weight Recommendation | 15 Kilograms |
| Model Number | 8CT899MDNEU |
| Number of Height Positions | 10 |
| Orientation | Forward Facing |
| Product dimensions | 53.7D x 40.8W x 81.7H centimetres |
| Unit Count | 1 Case |
S**H
Great
Easy to assemble great value for money and the cup holders are fantastic the little man loves his new chair for his journeys
P**L
Good quality and essential
Great Product easy to use also it's fit in any car even small car Quality is very good Also durable for longer
A**R
Safe, comfortable, and easy to use!
I’m very pleased with the Graco Junior Maxi i-Size Booster Car Seat! It’s a great option for keeping my child safe and comfortable during car rides. The seat is easy to install, and the adjustable backrest ensures a snug fit as my child grows. The padding is soft, and my child finds it comfortable for longer trips. The side-impact protection gives me peace of mind, knowing my little one is well protected. I would definitely recommend it for anyone looking for a reliable and affordable booster car seat.
C**R
Decent car seat
Good value car seat. Lightweight and seems fairly sturdy. Only negative is it looks like the material may rub up easily.
M**I
Easy to assemble and use
Clean, study and comfy. My daughter like it
M**Y
car seat
bought for grandson pleased with purchase easy to install
S**L
Good alround car seat
Excellent car seat for my grand daughter Great value for the money, she loves the cup holder and says the seat is very comfortable
R**R
Safe & lightweight
Appears well made, lightweight to move around, and safe with car seatbelt and back height adjustment to suit growing children. Pleased with purchase through Amazon.
J**R
Bra för pengarna
Köpte till styvsonens barn. En alldeles utmärkt produkt som dessutom kan användas när barnets längd förändras. Barnet i fråga tycker att stolen är bekväm, så då ger det såklart extra stjärna
M**U
Testé pendant 1 mois : excellent rapport qualité/prix !
Siège utilisé depuis un mois et une semaine pour un enfant de 5 ans. Le siège est vraiment léger, ce qui est un gros plus au quotidien. Il est facile à installer et mon enfant s’y place tout seul sans difficulté. La ceinture reste simple et pratique à mettre, rien de compliqué. Petit point qui n’est pas vraiment négatif mais qui aurait été un vrai plus : un système Isofix aurait été appréciable. Comme le siège n’a pas d’attache, il faut penser à boucler la ceinture lorsqu’il est vide, sinon il peut bouger dans les virages ou lors des freinages. Pour les trajets un peu plus longs, les porte-gobelets font clairement le bonheur de mon enfant. La têtière est réglable en hauteur, ce qui permet une utilisation prolongée. Le dossier est également détachable pour continuer à l’utiliser en mode rehausseur lorsque l’enfant grandit. Pour le prix, il n’y a vraiment rien à redire. Je mets cinq étoiles sans hésitation à ce produit
M**O
Leggero, comodo e molto pratico per l’uso quotidiano
Seggiolino davvero pratico e ben fatto, soprattutto per chi cerca una soluzione semplice ma comoda per il bambino. Una delle cose che ho apprezzato di più è la leggerezza: si sposta facilmente da un’auto all’altra senza fatica. La seduta è spaziosa e il bambino viaggia comodamente anche durante tragitti più lunghi. I materiali sembrano di buona qualità e l’imbottitura offre un buon comfort senza risultare troppo rigida. Anche l’installazione è risultata semplice e intuitiva, senza dover perdere troppo tempo con regolazioni complicate. Il design è essenziale ma funzionale e nel complesso dà una buona sensazione di sicurezza e stabilità. Ottimo rapporto qualità-prezzo, consigliato per praticità e comfort.
M**A
Perfect
My kids are already 4 and 5 so the eggshells were not comfortable for them. This seats are perfect, comfortable, easy to keep clean. Will stay with us many years for sure.
M**A
Ok for this price
Not bad just bit wobbly
Trustpilot
1 month ago
5 days ago