INVONATION HYBRID TECHNOLOGY FOR HEALTHIER COOKING. <br> The COOK KING Triply stainless steel dual-honeycomb non stick Frying Pan / Wok. The Pan / Wok structure is a DOUBLE NONSTICK heavy-duty pan, with three layers of stainless steel and an aluminum composition.<br> 1.Interior layer food-grade stainless steel 304 with an engraved Raised Honeycomb Pattern.<br> 2.Middle core aluminum alloy for heat retentions, fast and uniform heat distribution.<br> 3.Exterior layer stainless steel 430 is robust and ideal for the induction cooktop.<br> The nonstick coating is the "Whitford Eterna" brand ( US company product ). Free of perfluorooctanoic acid (PFOA) and polytetrafluoroethylene (PTFE). No toxic chemical fumes released during cooking.<br> The raised dual honeycomb pattern, engraved on the stainless steel surface, enhances physical nonstick and prevents scratches to the underlying nonstick coating. <br> Combining the raised stainless steel dual-honeycomb pattern physically nonstick with the coating nonstick makes the frying pan double nonstick, making cooking food with little or no fat, suitable for using metal utensils. nonstick for lifetime <br> The stainless steel handle does not heat up during cooking, easy to remove for cleaning the hard reach stain. No handle rivet inside the pan prevents food residues, contributing to exceptional hygiene and easy cleaning. <br> Suitable induction cook-top, dishwasher safe, oven safe.<br>