My classmate sells sea urchins, depending on how much you buy. The more you buy, the cheaper it is. People divest profits and sell them. Is there a profit? ).

Regarding storage, we suggest that you buy a fresh-keeping box (that is, the kind that is soaked in the bottom, which is very cheap, only small 10 yuan) and a piece of ice (also a few dollars). I think it should be no problem. That's what we did last time in Shanghai. In the afternoon, we directly dipped in spicy raw food, bloody!