Nothing sticks (during the warranty period and under the conditions of normal use, in accordance with Starfrit care & use instructions). Never warps. Lasts longer. PFOA free. Patented. Our patented manufacturing process modified the surface to form an ultra-durable rock-like finish. The result is an outstanding release performance, 3 times better than traditional non-stick cookware. Surface enhancement Rock.Tec (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 forged aluminum non-stick cookware) 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.