Bento boxes work, but skip the flat-lid ones.

Bento boxes with separate compartments do keep different foods from touching, but the hinge alone won’t save you from a yogurt-and-cracker catastrophe — it’s all about how the lid seals each compartment.

The popular stainless steel ones with a single flat lid, like PlanetBox, are great until the box tips over. The grapes roll into the hummus, the sandwich slides into the applesauce. The compartments keep food separate only if the box stays level, and a school backpack is not level.

What actually works is a box where the lid presses down on the compartment walls with a silicone gasket, giving each section its own mini-seal. Yumbox is the classic example — you can turn it upside down and the food stays in its own little room. That’s the difference between “organized” and “mess-free.”

If you already have a regular lunchbox, silicone muffin cups and a few small containers do the same job for a few bucks. But if you’re buying new, look for one that says “leakproof per compartment,” not just “leakproof.” That’s the phrase that means the lid actually clamps down on the dividers.

Your kid won’t notice the difference until they get a face full of soggy crackers.