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.
Awesome pink sponge with stand. Does its job. Can be kept after washing on top and will slowly go inside as it dries. Has to be changed every three months. To get it completely clean, once a week or so microwave in soap water.