This is an original brand of Kitanihon Nippon Fukuro Co., Ltd., located in Yahaba-cho, Iwate Prefecture, which owns the only machine in Japan that can manufacture plastic bags for transporting rice and wheat from the raw material. The company was established to protect the value of a material that is so durable that it can be used as a sandbag in the event of a disaster, and has released COMESACK, a bag made from rice bag fabric.