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.
These sheets are NOT wrinkle free. OMG what a hassle. The sheets wrinkle and the edges are the worst. I washed and dried them according to the instructions but no go. You feel all the wrinkly hard edges when you sleep and they make this weird crinkly sound as if you have plastic on instead of sheets.