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