Instead of jelly ice packs, I think the idea of broth ice packs and bottled water ice packs is really desirable. Currently, the use of ice packs is increasing by about 30% due to the spread of the non-face-to-face online economy. Personally, I am not an active person in environmental policy, but I think it is desirable to actively encourage it if there is no big cost problem, which seems to be a..