This is one of the best car seat at the moment! I really loved it but big boy is on a booster now!!! Valid until october 2025. Clek car seats are valid for 9 years :) No accident. Good shape :) Here is the link about this car seat for all the informations of weight and age of kids. https://clekinc.ca/products/convertible-seats/foonf/?variant=31111450919027