This is a tiffin, a lunchbox I bought in Thailand. It's apparently commonly used in India and Thailand. It comes in three colors: white, light blue, and blue. Each tier is about 5.5cm high, and the diameter is about 14.5cm. I believe the material is enamel. You open it by tilting the handle as shown in the third picture. There are no seals, so it's probably not suitable for anything with liquid. Please use it for takeout, cherry blossom viewing, sports days, picnics, etc. (^^) I bought it but have never used it. However, since it's made overseas and has been stored privately, please be aware that there may be minor scratches.