Are smell-proof bags effective enough to contain odors besides marijuana? A. Yes, if you're carrying around a particularly stinky slice of durian, blue cheese, or pungent spices, a high quality smell-proof bag will still provide smell suppression.

Can bears smell through odor proof bags?

A bear's sense of smell is seven times better than a bloodhound's. Outsmart them with this food-storage bag. ... Loksak Opsak bags are made of heavy-duty plastic and have a hermetic seal. When closed, the bag is airtight, waterproof, and odor proof (the “op” in Opsak).

Why would you need a smell proof bag?

As the name suggests, smell proof bags keep odors at bay so that you can be discreet about your trees or smoking accessories. While you might love the scent of your bud, you may not want to broadcast to the world what you have in your bag. Like fast food french fries, the smell of weed is unmistakable.