ShieldPro Genuine Mylar Bags (60) 1 gallon Bags + (60) 300cc Oxygen Absorbers (In Packs of 20) for Long Term Food Storage

Mylar possesses high gas and moisture resistance, chemical stability, high tensile strength and when laminated to aluminum foil, mylar provides a higher puncture resistance than any metallized polyester film. These are od bags which are open on one end; they need to be heat sealed using a clothing iron, hair straightener or other heat sealing method. Heat sealing is the absolute best method for sealing mylar bags for long term food storage.