Just buy the kids' bento box

For light eaters, the best lunch box is usually a kids’ bento — it keeps portions sane and fits in a normal tote.

The classic move is the Bentgo Kids. It’s the same build as the adult Bentgo but sized down, so you’re not staring at five big compartments you’ll never fill. It’s leak-proof, dishwasher-safe, and the latch is easier than the grown-up version. People who pack small lunches swear by this thing for a reason.

If you don’t need compartments, skip bentos entirely and get a 2-cup glass container with a lid. Pyrex makes a good one. It microwaves, cleans easy, and it forces you to pack a reasonable amount instead of filling a giant box out of habit. No clutter, no tiny Tupperware lids to lose.

For hot stuff — soup, stew, or leftovers you actually want warm at 1pm — a small thermos or a Zojirushi is the play. Sit it next to whatever else you packed and you’re done.

The real trick is just to stop buying adult-sized anything. A standard lunch box is built for a full sandwich, chips, a drink, and dessert. That’s not your life.

Your lunch should fit in your bag and not guilt you into eating more than you want.