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.
It is hard material which is good. The sign is clear and sharp. The only problem i had was the corners were bent and the sticker was coming off from one corner. I clicked the pics and have attached them.