Cool it with cold water, then put it in a plastic bag or vacuum bag. The way to package lobsters for express delivery is to first cool them with cold water, then put them into a plastic bag or vacuum bag, seal them and put them in the refrigerator to freeze. Then take a small plastic box suitable for the number of lobsters, put a few packs of ice bags in it, and finally Just take out the frozen lobster and pack it for express delivery.