This bento box says it ".has 3 compartments, keeps food separated and no-mixed tested." But the bottom of the lid is not flat and has no seals so the contents, if not solid, can mix easily.
So the sauce from your stir fry is going to get on your kid's cookies unless they somehow manage to keep the box upright in their lunchbox, in their backpack.It is otherwise nice, with decent sized compartments and the top lid seems to be OK. It clips on easily which is great for a kid, but also means the prSee full review