The USA Pan Nonstick Baking Pan, 9" X 13" uses heavy-gauge aluminized steel, folded construction, and a reinforced rim to add strength and help resist warping.
Coated wire reinforcement along the rim
Ridged surface strengthens the pan
Designed for resistance to rust and warping
It has a clear silicone nonstick coating on the interior and exterior to help baked goods release easily.