Empty "Toge no Kamameshi" rice cookers from Oginoya. Set of 5. ◆ Diameter of the container: Approximately 11.3 cm Depth of the container: Approximately 8 cm There is some slight blackening on the bottom. (I have not cooked with them at home). Please see the 7th image. I am selling these because I have too many. They have been washed and stored. It is said that they can cook delicious rice, about 1 go (180ml). Instructions for cooking rice are on Oginoya's website under "Frequently Asked Questions." Mashiko-yaki (Mashiko ware) Yokokawa Station