Mylar Bags & Oxygen Absorbers for Dried Food & Long Term Storage by Dry-Packs, 5-Gallon, Pack of 5 A perfect combination of mylar bags and matching oxygen absorbers, protect against moisture and oxygen damage Heat and vacuum sealable, can even seal with a hot iron These mylar bags and oxygen absorbers are perfect for long term food storage These are some of the industry best mylar bags available These bags reflect light, prodvide a moisture and oxygen barrier and they are puncture and tear resistant