ShieldPro Odor-Proof 5 Mil 1-Gallon Mylar Bags + 300cc Oxygen Absorbers for Long Term Storage of Food, Herb, Organics, Seeds and Pharma (20) Advanced Trademarked ShieldPro 5 Mil Material Heat Sealable for best protection Use 1-2 300cc Oxygen Absorber per bag For best results, store low-moisture foods Oxygen Absorbers offer better protection than vacuum sealing