SHIELDPRO 10 5 Gallon (18"x28" 5mil) Ziplock Mylar Bags & 10-2,000cc Oxygen Absorbers for Long Term, Emergency, Survival Food Storage (No costly Gamma Seal Lid Needed) FRESH ABSORBERS Guaranteed Advanced 5 Mil ShieldPro Material - Folding them is not a problem and does not impede their effectiveness. Use 1-2 2000cc oxygen absorbers per bag Heat Sealable Above the Zipper Holds up to 30lbs of dry goods