Customers appreciate the heavy glassheavy glass, positive sentiment construction of this food storage set, noting it's a superior alternative to plastic. The excellent qualityexcellent quality, positive sentiment and great pricegreat price, positive sentiment are frequently mentioned, with many finding it a terrific product for both storage and microwaving. The set offers a variety of useful featuresuseful features, positive sentiment, including stackable designs and lids that keep food fresh. Opinions on sizesize, mixed sentiment are mixed; some reviewers found the containers perfectly sized for various needs, including packing lunches, while others felt they were smaller than expected or that the set contained too many small containers.