Separate dressing cups beat built-in dividers

Built-in dressing cups and dividers are mostly fine, but the actual best setup for keeping salad greens crisp is a bento-style box with a separate, screw-top or snap-seal dressing container that you pack inside.

The problem with dividers built into the container is that they rarely seal tight enough. Dressing seeps under the plastic wall and you get soggy greens by noon. The ones that do work have a rubber gasket and a hard snap. Test it at the store: invert the filled cup for two seconds. If it weeps, it will weep in your bag.

As for the greens themselves, the container is only half the story. Greens go slimy from trapped moisture, so you want a box that isn’t packed to the brim. Add a folded paper towel on top—it absorbs the condensation and keeps the leaves crisp for hours. The dressing container keeps the wet stuff away, but the towel is what actually preserves texture.

My pick: a simple glass or plastic bento box with one large main compartment and one or two small sealed wells. Use the well for dressing only if it has a proper lid. Otherwise, carry a 2-ounce screw-top jar in the bag. That’s cheaper, more leak-proof, and you can pack the dressing without redesigning your lunch box.

Get the one with the sealed cup, and pack a paper towel. Future You won’t be eating wet salad.