There are two things:
1, if it is a seasoning packet then it will be written on top of this small packet that it is a seasoning packet.
2, if it is desiccant then some on this package are also labeled as desiccant and some are nothing.
So it is recommended that you see a seasoning packet when you open the bag and then consume it, and don't use it if it is not labeled.
Korea's nori bao , like many Korean national inventions, was originally just salted fish cured in salt, and the fish was eaten with rice after it was made. The origin of nori-bun is thought to be the introduction of sushi to the Korean Peninsula during the Joseon Dynasty through the Tsushima clan of Japan, which was a vassal of the Joseon Dynasty, and developed nori-bun on its own.
Chinese coastal areas are popular in a mochi rice stick food, is a cooked crust of glutinous rice and vegetables, egg yolks, peanuts, meat floss and other wrapped up to form a local snack, popular in the coastal areas of Jiangsu and Zhejiang. However, this snack in Suzhou and Hangzhou is rarely wrapped in nori and is large enough to be less relevant to nori bao rice, so it is generally not seen as a source of nori bao rice.