That turkey sandwich may look two weeks too old to consume, but it’s really not that moldy – not at all, actually. And unless you live with the hey-this-six-week-old-milk-doesn’t-taste-that-bad type, that baggy could be your new little, plastic (lunch) savior.

The anti-theft sandwich bags appear to be spotted with dark-green mold and are designed to make that freshly made sandwich a lot less attractive to the watering mouths of hungry co-workers (or roommates), deterring them from lifting what’s rightfully yours. The sandwich bags, which are available in 25-bag packs for $8 at thinkofthe.com, are pricier than your average Ziploc baggies. But if you splurged on fresh-sliced provolone this week instead of buying the ol’ Kraft Singles standbys, they just might be worth it, especially if your packed lunch has a habit of disappearing.

For more office-lunch etiquette – plus our favorite Main Campus munchies and more – check out the annual Lunchies insert in this week’s issue, which includes humor columnist Samantha Krotzer’s tips for maintaining a healthy and peaceful office refrigerator.