Experience the ultimate fusion of safety, comfort, and adaptability with our Flux Isofix eXT. This i-Size child car seat is meticulously crafted to provide unrivalled security and convenience for your little ones. The Flux ext is one of the only i-sized harnessed high back boosters on the market that allow your child to be harnessed up 120cm in height (approximately 6 years of age) or a maximum weight of 23kg. Featuring a 14-position height-adjustable headrest, a removable padded seat inserts, and an automatic 5-point harness system, the Flux Isofix eXT effortlessly evolves with your child's growth, ensuring optimal comfort and safety throughout their journey. Suitable for small passengers up to 120 cm in height (approximately 6 years of age) and weighing a maximum of 23 kg, this seat delivers reliable protection for your child's every adventure. Enjoy added convenience with magnetic holders for the shoulder straps, enhancing comfort during entry and exit. For increased flexibility, seamlessly transition the seat to high-back booster mode using your vehicle's 3-point harness from a height of 100 cm onwards. The 5-point harness can be effortlessly stored within the seat when not in use. Notably, special protectors on the headrest enhance side impact protection, ensuring a secure travel experience in the Flux Isofix eXT. Moreover, an integrated sensor facilitates correct seat installation, offering peace of mind to caregivers. Benefit from versatile installation options: utilise Isofix in conjunction with top tether, and from heights of 100 cm or 120 cm, seamlessly switch to your vehicle's 3-point harness. With its advanced features and adaptable design, the Flux Isofix eXT sets a new standard for child car seats, prioritising safety and comfort at every turn. Easy and safe installation with Isofix and top tether (76–120 cm), currently the only high back harnessed R129 booster with this feature. Special feature: Integrated sensor for correct installation (battery operated)Optimal belt run due to belt guides for the size class 100–150 cm Automatic 5-point harness system for children up to a height of 120 cm and a maximum body weight of 23 kg. This is a great feature of this car seat as some children maybe over 105cm but under the weight of 23kg and parents would be happy to be able to still harness their child in the car seat using the 5-point harness of the car seat. Easy to use with magnetic holders for shoulder straps Special side impact protection through enlarged side parts and protectors on the headrest (SIPS PROTECT) Additional slide protector for increased side impact protection Simple to convert for use in the 100–150 cm size class: 5-point harness is stowed in the child car seat without removal Individually adjustable Isofix connectors Weight 9.30 kg External dimensions W 44 x H 61.5 x L 47 cm