Brown carbon steel with premium nonstick coating. Warp-resistant, rolled rims with wide handles. Dimensions: 9 x 13 in.; Weight: 2 lbs.. TOTAL Food Release System is PFOA-free, nonstick, and safe for metal utensils. Oven-safe to 450 degrees F. Hand wash recommended. Whip up cookie bars and cakes galore in this Circulon Symmetry 9 x 13 in. Nonstick Rectangular Cake Pan. Your new favorite cake pan is made of chocolate brown carbon steel with a premium nonstick coating, warp-resistant rolled rims, and wide handles. It's oven-safe to 450 degrees.