20 - 300cc Oxygen Absorbers for Dried Dehydrated Food and Emergency Long Term Food Storage,OxyFree 504" /> 20 - 300cc Oxygen Absorbers Packets per Bag Use only 1 per gallon Mylar Bag or 5 per 20x30 Bag Removes oxygen in long term storage food containers Absorbers are completely safe, none toxic & extends shelf life of foods Great for freeze dried, powered, or dehydrated foods