Delicado combines stainless steel, aluminium and stainless steel (3-layer material) in the most beautiful and intelligent way: the outer induction suitable stainless steel layer ensures fast heat distribution, the aluminium core in the middle serves for heat retention and the stainless steel inside allows food safe cooking and frying. The coating is extremely scratch and abrasion resistant thanks to the XXStrong sealing. So you will enjoy this product for a long time.