To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Many of customers comments reflecting poor quality of the seat which most complain about it ripps off even with kids light weight. I choosed to return it rather being sorry after using it. I gave 3 stars since i didn't test it myself.