... 3 layer bottom,energy saving 4.OEM TP1453 frying pan with Welburger marble coating1,Diameter/Height:16-32cm open ... 0.6mm 3,Feature:R shape, no step with cut edge, Weilburger stonehenge marble coating inside and ... outside4,Bottom Plate:5mm aluminum with 0.5mm 430 plate for induction 5,Lid:without cover6,Parts:stainless ... safe for food touching, energy saving. Frying pan with Stonehenge marble coating