PFOA free. Nothing sticks (During the warranty period and under the conditions of normal use, in accordance with Starfrit care & use instructions). Never wraps. Lasts longer. Our patented manufacturing process modifies surface to form an ultra-durable rock-like finish. The result is an outstanding release performance, 3 times better than traditional non-stick cookware. Rock.Tec: Surface Enhancement (Canadian Patent). Extra thick forged aluminum base for optimal heat distribution and lifetime warranty against warping. 3 Times more durable (Compared by independent laboratory, to same/size capacity cookware with non-stick interior) non-stick interior ensures superior scratch resistance and unparalleled release performance. Oven safe riveted stainless steel. Handle heat resistant up to 450 degrees F/230 degrees C. Dishwasher safe. Gas. Electric. Ceramic. Halogen.