Product review (1 stars): Sham. Scam artists. Do not buy.
First the product I received isn't Mainstays. This is a fraudulent person selling this product. I will be contacting Amazon. Second for the price I would expect you to at least offer a return when you dupe people. You should be ashamed of yourself. And they don't even fit. There's a one inch gap that you have to push the foil liner into the pans and then the liners are misshapen and don't do their jobs. Terrible.