1. Seaweed is made of nori. After the nori is seasoned and processed with added fat, salt and other seasonings, it becomes delicious seaweed that melts in your mouth after it is baked.

2. There are two kinds of seaweed, one is the roasted seaweed (roasted nori) used for sushi cooking, and the other is called "instant seasoned seaweed", and their raw materials are the striped nori in nori.