You may have heard that uppercase PYREX and lowercase pyrex labels on cookware indicate what materials the items are made of.

Closeup of pyrex glass measuring cup on a table - The Image Party/Shutterstock Glass cookware is known for its heat retention properties to flawlessly bake food — and keep it warm once it's done ...

Pyrex might look like it's made of regular glass, but it's actually made of a type of glass that's safer to use. Here's what to know about how Pyrex is made.

Add Yahoo as a preferred source to see more of our stories on Google. Pyrex serving dishes with flowers on them. - Danielle Skibola/Getty Images Vintage Pyrex cookware has become a cult favorite among ...

Add Yahoo as a preferred source to see more of our stories on Google. Glass cookware is known for its heat retention properties to flawlessly bake food — and keep it warm once it's done cooking. But ...

For Amanda Homrighausen, the best part of collecting antique Pyrex cookware is the hunt. When the 41-year-old enters thrift stores looking for glassware made by the century-old brand, she says her ...

If your grandparents loved Pyrex, there is a chance a piece of their collection just might be worth a small fortune today.

While you'd be lucky to find these rare pink Pyrex dishes at the thrift store, it's still possible. Even if it's not in ...

From baked goods to crocheted sweaters, items you might find at your grandparents’ house are suddenly popular with young people online. You can thank this trend for the resurgence of vintage Pyrex.

Which CorningWare or Pyrex casserole dish is best? CorningWare and Pyrex have been staples of many home kitchens for years. They’re sturdy, conduct heat well, cook casseroles evenly and look good ...