5 Gallon (18"x28") ShieldPro 5 Mil Ziplock Zip Seal Mylar Bag for Long Term Food Storage - 10 Pack 18"x28" with a full aluminum foil lining, 5 mils thick. Has both a Zip Seal and can be heat-sealed for maximum protection Ideal for Long Term Food Storage Use 2 1000cc Oxygen Absorbers per bag Light, Moisture, and Oxygen Barrier