PackFreshUSA 5 Gallon Mylar Bags with 2000cc Oxygen absorbers Individually Sealed (24) LTFS Guide Individually sealed 2000cc oxygen absorbers reduce exposure, waste and resealing This strong Mylar film supports 2 1/2 cinder blocks over each square inch! FREE set of 500cc Oxygen Absorbers included for high-air products (like pasta, cereal,..) Support and Unconditional Guarantee Provides well over 25 years of protection from oxidation, mold, and bugs