Amazon calculates a product's star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers and factors that establish reviewer trustworthiness.
The towels are as described and of good quality. I ordered these the night before I was supposed to travel and wasn't sure that these would arrive on time. But go the merchandise next morning, right on time. Thanks for the super delivery and I liked the quality of the fabric.