Sushi needs its own sealed compartment and a cold pack

Raw fish in a lunch box is safe to pack, but it needs a sealed container, a cold pack, and its own compartment away from everything else.

The real risk with raw fish isn’t the fish itself — it’s time and temperature. Raw fish has to stay under 40°F. If you pack it at 8am and eat at noon, it needs ice. An insulated bag plus a cold pack is the minimum, not a nice-to-have.

Cross-contamination is a real concern, but the problem is liquid, not proximity. Raw fish juices can carry bacteria, and those juices end up on everything if the container isn’t sealed. A bento box with separate compartments does not count as protection if the compartments share an open space — liquids slosh around when you walk. You want an airtight container with a lid that actually seals, like a glass container with a rubber gasket. Put that inside the lunch box with the cold pack, and you’re done.

Don’t buy a fancy sushi-specific lunch box. A leakproof container, a cold pack, and an insulated bag get the job done. And keep it simple: pack it cold, eat it within a few hours, and don’t let it sit on your desk.

Food poisoning is a terrible way to end a workday.