This is a hagama (rice-cooking pot) that I found while organizing my home storage. It's lighter than it looks, so I believe it's made of aluminum. There are signs of rice having been cooked in it, but the details are unknown. There are no holes, so it can still be used. It's large enough to cook about 5 go (Japanese unit of volume, roughly equivalent to a cup) of rice. I think it could also be used as an interior decoration item.