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.
Ordered 2 balls for an upcoming match we had on the Big Island of Hawai’i. The balls were great, I read the instructions explaining the bladder will loose a little air after initial pump, also the shipping was great, came in on the early prediction Amazon provided. Very pleased