The 3 Greatest Moments in stainless steel baking pan set History
https://www.goodreads.com/topic/show/19997364-are-you-getting-the-most-out-of-your-steel-baking-dish
Theses are used for baking and warming foodstuff inside the oven as we try to have away from the microwave oven. Clean up is very easy and with daily use there is not any rust