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 came tighly rolled. It keeps as highly curled when try to flatten it. Had to roll the other side and kept for a week. After that, it is still highly curled. Cannot make it flat. Unless you will frame it, it's not a good choice.