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.
The raised ridges are narrow. Because of this, and because it's not a grid pattern, the bar of soap was getting stuck into the ridges. I would not purchase this product again. I just bought a different soap dish--one with a grid pattern (and my soap is not getting stuck).