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.
These do what containers are meant to - contain things. Great for storing leftovers or for taking lunch to work. Seal is tight enough, and holds up after years of use. Quality brand, and often on half-price sales.
I use Sistema boxes for food and to organize all kinds of things. The boxes work well and the lids are reliable and fit on the boxes. We have lots of Tupperware and I hate it. I can't find the lids and I can't fit the lids. We are always replacing the lids I noticed she has largely moved to Sistema.