LOKSAK
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). On some trips, I use the 12″ x 20″ size ($6, 1.5 oz) as a lone food sack or as a liner inside a wildlife-resistant Ursack. I also like the 9″…