Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
The delivery was fast and easy to remove from cardboard box packaging - just cut the sticky tape on the cardboard box with scissors. The tennis balls are large, clean and bounce very high. Great for sports such as tennis or handball! The tennis balls come in a neat and nice looking plastic cylinder container which is easy to open and close with a neat circle shaped lid. The tennis balls are great for drying your laundered clothes - just wrap the tennis balls in foil and put them in your clothes dryer machine. Turn on your dryer machine and the tennis balls dry your wet clothes much faster!