Gallon Mylar Bags with 500cc Oxygen Absorber for Long Term Emergency Food Storage in 10-Packs (Made in USA) (50) High capacity 500cc OAPs are perfect for high-air products like pasta 10-Packs reduce exposure, waste and resealing Long-Term Food Storage Guide This strong Mylar film supports 2 1/2 cinder blocks over each square inch! Provides well over 25 years of protection from oxidation, mold, and bugs