Uses the highest grade 6-layer coating, including "titanium base" baked on rust-resistant titanium.Easy to clean with a metal spatula.The thick bottom of the 2-layer construction prevents heat deformation and provides a secure seal to the induction heater even after extended use.● Tiffals unique "announcement mark" allows you to see when it is best to put ingredients in at a glance.● The exterior is also non-stick, so dirt can be removed quickly.[Precautions] Can be used with any heat source, including induction cooker (IH) and gas fires.