Borosilicate glass handles temperature changes (such as taking something out of the freezer and microwaving it) better than the soda lime glass found in most glass containers. However, borosilicate glass also costs much more to manufacture. Corning used to make borosilicate glass but switched to soda lime glass to cut costs, then sold their Pyrex division altogether.
They also have daily "happy hour" deals from 3-5pm Central Time (4-6pm Eastern, 1-3pm Pacific):
We've been over this already. They got swamped over the holidays but during any other time of year they are fine. I've ordered from them and so have many others in the many other Lock and Lock deal threads over the years.
i have ordered 3 times from them so far, love their products, especially the bigger ones, great prices, they ship quite fast also, do not know why they have such bad ratings. The ones that should have bad ratings is amazon, i hate thir shipping costs on small items
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