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.
Unfortunately I never received this mat so I can’t speak to the quality of it. However, it ended up being a blessing in disguise when I found a similar mat for less than half the price but with amazing quality. No need to pay for the name if you really just want functionality.