Skip the lunch box. Get glass containers.

The best lunch box for meal prepping multiple meals at once isn’t a lunch box at all — it’s a stack of glass meal-prep containers with locking lids.

Plastic is lighter and cheaper, and the cheap black-lid compartment packs from Amazon work fine. But glass doesn’t stain from tomato sauce, doesn’t absorb last week’s curry, and goes from fridge to microwave without drama. If you like your protein, carbs, and veggies separate, get compartmented ones; otherwise single-compartment is simpler to fill and clean. Prep Naturals is a solid budget-friendly glass brand.

How many do you need? One container per meal, plus a spare or two. Prepping five work lunches? Buy six or seven. You’ll thank yourself when you drop one, forget your lunch at home, or decide to prep an extra day.

Don’t overthink it: count the