Buy a lunch box that quarantines your dressing

You want a lunch box with a dedicated dressing container or a tight-sealing removable cup, because wet dressing is what kills salad greens.

The physics is simple: moisture makes leaves wilt. So the first feature to look for is separation — either a built-in compartment that seals off the dressing, or a small leakproof pod that sits inside the main container. A lot of bento-style boxes include these, and they genuinely work. The dressing stays in its little cup, you pour it on at lunchtime, and the greens are still crisp.

The second thing to check is whether the box keeps condensation away from the leaves. A tray insert that holds the greens above the bottom is nice, but not essential if the box has a good seal and you dry your greens well before packing. And honestly, the old paper-towel-in-the-bottom trick does more for crispness than any fancy compartment.

If you eat salad for lunch often, spend the few extra bucks on a box with a real dressing cup. It’s the difference between an enjoyable meal and a sad, soggy forkful.