It's a gift. It has been stored for a long time without being used. There are no instructions or box. Shimoryu Extra Series Double-handled pot, deep type 26cm This is an ideal pot with both the advantages of even heat distribution and slow cooling, as it is a 3-layer steel made by sandwiching soft iron and a nickel layer with excellent heat conductivity between the highest quality 18-10 stainless steel with excellent heat retention and durability. Moreover, 18-10 stainless steel is rust-resistant and scratch-resistant, so you can keep it beautiful for a long time with simple care.