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