Interior created with revolutionary Stratanium nonstick coating with a mirror polished stainless steel exterior PFOA and PFOSfree nonstick microtextured surface will not warp blister or peel squeezecast body eliminates hot spots for even cooking and browning The frying structure is a composite 5layer cladaluminum construction all of which contribute to the cooking equipments strength and characteristics Cast stainless steel riveted handle stays cool longer for use with silicone wood nylon and metal utensils Oven safe up to 500 on all cooking sources including induction dishwasher safe Made in Denmark with a lifetime warranty