... ceramic 1.Specification:•About Product: Item Name21pcs die-cast aluminum cookware set MaterialDie-casting aluminumInterior CoatingXylan,Whitford Ceramic coating, ... bottom,Induction bottom,Spiral cutting bottom,silk-screen bottomHandleCast aluminum ear,bakelite handle,S/S handle,silicone handleLidSemi ... when searing) or when the pan is filled with liquid, and do not use metal utensils.4.Packing Size: ...