Although unused, the product is old. Includes instruction manual and recipe booklet. It has a thick-bottomed 3-layer structure made by sandwiching aluminum with good thermal conductivity between stainless steel, which excels in heat retention and is designed to be resistant to burning during cooking. Compatible with gas, electric plates, halogen heaters, sheathed heaters, and IH electromagnetic cookers (100v/200v). Will be shipped in its original box. The box has some scuffs and tape marks.