For soup and yogurt, skip the clips and get a screw-top

Screw-top food jars beat every clip-lid lunch box when it comes to real leak-proofing.

Here’s why: a threaded lid with a silicone gasket clamps down evenly all the way around. Locking clips hold at two or four points, and one wrong bump can pop a clip loose. That’s your leak. Screw-tops don’t have that failure mode — you twist until it stops and it’s sealed.

If you need something microwaveable, the closest to bulletproof is Rubbermaid Brilliance. It has both a silicone gasket and proper locking clips, and it’s survived more bag-tumble tests than anything else in the clip-lid world. That combo is the point: the clips aren’t decoration, they compress the seal so the gasket does its job. A snap-on lid with a silicone ring but no clips will betray you eventually.

One pro tip: don’t close hot soup all the way. As it cools it creates a vacuum that can warp the lid or pop