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.
I got this bargain pack and had concern that they might not be as fresh. But I’ve been using them over a year and they work well. I will sometimes find it hard to get them apart to put page in, but I’ve gotten them all open.