Carbon steel. Nonstick. Oven-safe to 450 degrees F. Hand-wash only. Dimensions: 11.8L x 10W x 2D inches. Be prepared to bake like never before with the Paula Deen Signature Bakeware 9 in. Square Cake Pan. Always providing quick and even heating, the carbon steel construction cleans up with ease due to the nonstick coating. It's oven-safe 450 degrees F and has wide handles with a silicone covering for a secure and comfortable grip.