They say Perfection and Trademark Patented.

They are not perfect. The rings are good but the bottoms are a bit banged up. See pictures. The pictures enlarge to show details.

These have definitely been around a good while, and used.

That being said, a person who loves these old cake pans will still be happy with them.

They are 9 1/2 inches across rim to rim and 1.5 deep.

Metal.