There are currently 2 different car seat standards in the EU. R44 (legally known as ECE R44/04) car seats are divided into groups based on weight, with some covering multiple groups. Extend R44 is based on these standards. Extend LX R129 is designed to keep your little one rearward facing longer since that’s the safest way for them to travel. This upgraded version of our original Extend R44 convertible car seat meets the EU’s R129 standards which means it has undergone more side impact testing, is categorised by height instead of weight, and keeps your child rearward facing for more time. No-rethread harness allows you to easily adjust the harness and headrest together as your child grows Extend LX R129 meets the new R129 (legally known as ECE R129) standards. The main differences in these standards are that car seats are based on your child’s height, undergo more side impact testing, and ensure children sit rearward facing until they reach 15 months and 75cm. Extend LX R129 is based on these standards. In our car seat buying guide, you can learn more about car seat standards and help figure out which car seat is right for you. Steel reinforced frame: Steel reinforcement is equipped throughout the car seat for improved resilience and durability.Turn2Me i-Size R129 meets the new R129 (legally known as ECE R129) standards. The main differences in these standards are that car seats are based on your child’s height, undergo more side impact testing, and ensure children sit rearward facing until they reach 15 months and 75cm. Additionally, Turn2Me is also i-Size certified, which means it is compatible with any i-Size approved vehicle, reducing the risk of incorrect installation. This incredible 2-in-1 convertible car seat can be used until your little one is your big one, up to 145cm or approximately 12 years of age. Thanks to its universal 3-point belt fitting, the Graco Extend LX can be installed in all cars, no matter these been equipped with ISOFIX connectors or not. Its lightweight construction allows for easy swoping between different cars as well. Yes, you can wash the covers in your washing machine with cold water only on the delicate cycle. Drip dry, and do not use bleach. Extend LX R129 meets the new R129 (legally known as ECE R129) standards. The main differences in these standards are that car seats are based on your child’s height, undergo more side impact testing, and ensure children sit rearward facing until they reach 15 months and 75cm. Extend LX R129 is based on these standards. In our car seat buying guide, you can learn more about car seat standards and help figure out which car seat is right for you. (18kg).