It's crucial that you know that all car seats marketed inside the US must go arduous crash-safety tests administered from the NHTSA. There exists currently no rating system for baby safety seats, but all versions that pass the NHTSA's tests are considered safe. That is, provided you install them properly. https://thesocialintro.com/story4464243/the-definitive-guide-to-best-harness-to-booster-car-seats