The Sigma collection takes a step further by creating a 3-layer cookware (magnetic stainless steel, aluminum, and stainless steel) that achieves excellent heat conductivity. With a PFAS-free ceramic non-stick coating ILAG Xeradur 5 based on sol-gel technology, it delivers the best cooking results in a completely natural way and outstanding performance. The Sigma frying pan is high-quality and made from quartz crystals formed by the Alpine folding over 15 million years ago. This frying pan is crafted from one of the best materials for cookware: stainless steel. A resilient and highly durable steel that allows you to enjoy cooking for many years. With a matte exterior that gives the pan an elegant look, it fits into any kitchen. To extend its lifespan, we recommend hand washing with warm soapy water. Suitable for all types of stoves: vitroceramic, halogen, electric, gas, and induction. PFAS-free.