Mylar Bags vs Vacuum Sealing
Both remove or reduce air, but they suit very different storage goals.
Mylar bags with oxygen absorbers
Mylar is an opaque, moisture-proof film. Sealed with oxygen absorbers, it removes essentially all oxygen and blocks light, giving dry staples like rice and beans a shelf life measured in years to decades. It is the gold standard for long-term dry storage, but only for low-moisture foods.
Vacuum sealing
Vacuum sealing sucks air from a clear plastic bag. It is fast and versatile for fridge and freezer storage of meat, cheese and leftovers, and extends freezer life well. But the clear bag lets light through, the plastic is more oxygen-permeable over years, and it does not match mylar for decade-long pantry storage.
Which should you use?
Use mylar with oxygen absorbers for long-term dry storage of grains, legumes and freeze-dried food. Use vacuum sealing for everyday fridge and freezer storage. Many preppers use both: mylar for the long-term pantry, vacuum for the freezer.
Frequently asked questions
Is mylar better than vacuum sealing for long-term storage?
For dry staples stored for years, yes. Mylar blocks light and, with oxygen absorbers, removes oxygen far more completely than a vacuum bag, which stays clear and slowly lets oxygen through.
Can I vacuum seal instead of using oxygen absorbers?
For short-term storage, vacuum sealing is fine. For years-long dry storage, oxygen absorbers in mylar remove oxygen more completely and block light, which vacuum sealing does not.