5 Gallon Heavy Duty Mylar Bags with 2000cc Oxygen Absorbers (5) with PackFreshUSA LTFS Guide FREE set of 500cc Oxygen Absorbers included for high-air products (like pasta, cereal,..) Not just thicker... a superior oxygen barrier Strong enough to be used on their own or as a liner for 5 gallon buckets Provides well over 100 years of protection from oxidation, mold, and bugs Support and Unconditional Guarantee