The lids are leakproof. The way they lock closed is so much simpler than the ones you have to pry open all the way around the top. No worries about leakage.

If the large set came with three of the mid sized square and rectangle containers each that would be perfect. Terrific containers. If you like blueberries but find the shelf life to be short, put them in one of these containers.

The glass works in the oven for baking and after it has cooled you can put the snap top on to store. The glasslock container keeps the food fresh. I can store, microwave and serve all in the same container without the fear that plastic can lend.

It is the easiest to clean, doe not stain, no chemicals leach into your food. It also cleans really well. Seals freshness in.

The lids get harder and harder to close/lock. Perhaps this is a mixed blessing, if the product cannot survive the rigors of packing perhaps their usefulness and longevity is less than stellar. I deeply suspect this is probably not legitimate product b...  Read More