Opsak Odor Proof Barrier Bags 12 x 20 3 pack 100% odor proof. Stored food and toiletries can't be detected even when left on the ground Humidity proof, vaporproof and certified 100% leakproof to 200 ft or 60 meters under water Film is heat tolerant to 165 F Store tobacco products or use as a cigar humidor Makes excellent pilot or hunter urinals or human waste containers