Unfortunately, having a zip lock may hold in freshness but it will not stop prying fingers from making off with your lunch. Perhaps a bit of green (no, not the ‘eco’ kind) will do the trick – or at least get people thinking carefully about whether or not to steal your stuff.

Yes, a few spots of mold may work wonders to protect your precious sandwich when your custom labels, pleading requests and desperate detective work fail to find your regular at-work lunch thief. Reusable, resealable, one-size-fits-all and ready to go right out of the box (or brown paper bag), these clever little containers from Think of The might seem more like a prank object or gag toy than a functional product but it will almost certainly deter even the hungriest of would-be food hackers.