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.
Product is as described. It is made of plastic so it's super light. It has different unit of measurement (ml, cup, oz, pint) indicators. No need to bother converting from ml to cup or any other unit of measurement when baking and cooking. The handle looks brittle though.