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.
Straight From Microwave To The Table BPA free Stain and
odor resistant Tempered glass Airtight and watertight silicone sealed lid Refrigerator safe Freezer safe Microwave safe without the lid Dishwasher ...