Posted by a reviewer on Amazon

These are not microwave safe

Posted by a reviewer on Amazon

Otherwise reheated stuff straight from the freezer

Posted by a reviewer on Amazon

This one the plastic cover should not be microwaved to preserve the shape

Posted by a reviewer on Amazon

I love that theyre clear glass theyre dishwasher friendly and they bounce if dropped although i dont recommend it

Posted by a reviewer on Amazon

And in response to some of the commentsin all the years ive been using these and through repeat purchases i have never ever had a problem with leakage

Posted by a reviewer on Amazon

Consover time the glass in frigoverre items sometimes gets permanent whitish staining probably chemical etching from dishwasher use at least with ecover detergent and rinse aidthe glass of frigoverre is not tempered which means you cannot use it in the oven

Posted by a reviewer on Amazon

Microwave has been fine so far with only one breakage in about 1520 containers weve ownedupdate feb 19 2014container broke in the microwave

Posted by a reviewer on Amazon

Instead of this item we bought amazon item b001j54xas which includes this container bundled with 2 different smaller containers and costs almost the same