Add Yahoo as a preferred source to see more of our stories on Google. Pyrex made in recently will have a stamp on the bottom marketing them microwave-safe, vintage Pyrex won't have that. But in ...

Most glass bowls are microwave-safe, but not all, and using the wrong type could lead to cracks or shattered glass in your microwave. Tempered glass, like Pyrex, is specially designed to withstand ...

Not all glass is created equal, and some are just not suited for use in the microwave. Microwave-safe glass is typically tempered or made with heat-resistant borosilicate glass (like Pyrex)—designed ...

Other brands “just don’t compare to Pyrex.” ...

Starting at $3.