Nice try Gladware folks. The older design sealed fine and stacked on top of one another in the refrigerator. Now with a "better" lid design they don't have the flat top for proper stacking. This was a perfect case of fixing something that wasn't broke in the first place.
Stackable System Saves Countertop & Pantry SpaceThe OXO Good Grips
POP Containers are airtight, stackable and space efficient, making it easy to keep your dry foods fresh and your kitchen ...
1/2 Cup Per Container New! Interlocking Lids Stay Organized Lids of
the same shape lock together for more organized container storage! Lids stay organizedEasy to find the lid you need Microwave ...