These cake pans are identical to those that have been available for at least 50 years.  They are useful for all kinds of bars, brownies, and even Jell-o.  What's more, they are built to last for generations.

Note that they are NOT "non-stick," and require oil or some sort of shortening to allow baked goods to slide out easily.  In my book, that's a plus and not a minus.

When it comes time to take your creation to a pot luck, or even just to store it in the fridge or on the counter, simply slide on the top, and the pan is sealed.

I'm glad nobody's trying to improve an already-wonderful product.  At least one of these belongs in every kitchen.