Do Koreans and Japanese use bento boxes?

I know that they use bento boxes in Japan, but how about Korea?Do Koreans and Japanese use bento boxes?
Yes they are called Dosirak in koreaDo Koreans and Japanese use bento boxes?
Idk. I think they do but thye dont call it a bento. I use one, I got it from eBay. its from Japan. Lol and I live in United States. Anyone anywhere can use one!Do Koreans and Japanese use bento boxes?
Yeah, they do use bento boxes in Korea. ^^;Do Koreans and Japanese use bento boxes?
i think they do, but they dont call it a bento!
I dunno but it makes the food look more appetizing for some reason.