PackFreshUSA 5 Gallon Mylar Bags with 2000cc Oxygen absorbers Individually Sealed (6) 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! Support and Unconditional Guarantee Provides well over 25 years of protection from oxidation, mold, and bugs FREE set of 500cc Oxygen Absorbers included for high-air products (like pasta, cereal,..)