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.
Were a bit of a let down when I got them to be honest as they looked very cheap both the product and the packaging. They weren't expensive but I still found them a little dissapointing and I did expect more from them.