Each OvenStuff Non-Stick 12 Cup Muffin Pan is coated with a DuraGlide Plus non-stick coating inside and outside of the pan. The DuraGlide Plus finish allows muffins and cupcakes to release easily from the pan while making clean up a snap. The heavy weight steel construction ensures even heating across the pan for ultimate baking results. Pans are dishwasher safe. Proudly made in the U.S.A.