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.
Very hard to get clean. Washed by itself on delicate using stain removing spray to make sure it would come clean. Did not work... came out looking the same as when it went in. Also has no grips on the bottom... does not stay put.