Graco Junior Maxi Grey High-back car booster seat

Ready to ride with i-Size and R129 for years to come
Our best-selling highback booster is now i-Size and R129 ready! Junior Maxi i-Size R129 provides extra safety for your growing child without sacrificing on comfort. Packed with features like enhanced side impact protection, premium padding and a 10-position headrest, this lightweight car seat is sure to be a hit for both parents and kids alike.

Safety above all else
Our parent-favourite Junior Maxi R44 highback booster has been adapted to meet i-Size and R129 standards. This means Junior Maxi i-Size R129 has undergone more extensive side impact testing and is compatible with any i-Size approved vehicle, reducing the risk of incorrect installation.

10-POSITION HEADREST
Grows and goes
Junior Maxi i-Size R129’s 10-position headrest ensures your growing child is always properly fitted.

PREMIUM PADDED SEAT
Extra comfy
No matter the distance, this thoughtfully designed highback booster seat delivers comfort on each and every ride.

WEIGHS ONLY 3.4KG
Pick up and go
You can easily move this highback booster between vehicles for hassle-free journeys.

Is Junior Maxi i-Size R129 Right for Me?

Graco's remarkable Junior Maxi i-Size R129 highback booster is designed to keep growing big kids safe and comfy. This car seat meets the EU’s latest R129 safety standards and is i-Size certified, which means that it will correctly fit in any i-Size approved vehicle. Equipped with enhanced side impact protection, this booster seat provides an additional layer of security for your big kid.

You can effortlessly adjust this highback booster’s 10-position headrest to ensure your growing child always has proper head and neck support. The premium padded seat offers extra comfort and the two retractable cupholders keep drinks within reach so your child always has a pleasant ride — no matter how long the trip. Weighing in at only 3.4kg, Junior Maxi i-Size R129 is easy to install and move between vehicles, making it ideal for families on the go. To minimize the risk of using the seat belt incorrectly, the open-loop belt guides keep the seat belt correctly positioned across your growing child’s body.

Suitable from 100 to 150cm (approx. 3.5 to 12 years), Junior Maxi i-Size R129 comes with removable and machine-washable covers, making cleaning a cinch. Take this highback booster with you on every adventure and let your child experience the world in uncompromised safety.