Storing food long-term without spoilage is a challenge, especially when moisture, oxygen, and light compromise freshness. Many users turn to mylar bags for their promise of durability and shelf-life extension, but with varying thicknesses, seal types, and included accessories, choosing the best mylar bags can be overwhelming. Poor material quality or inadequate oxygen protection can lead to wasted food and money, defeating the purpose of bulk storage. The right mylar bags solve these issues with multi-layered, aluminum-infused barriers, proper mil thickness, and compatible oxygen absorbers that maintain airtight integrity over years.
We analyzed over 50 products and tested key performance indicators like oxygen and moisture resistance, seal strength, and material durability to identify the best mylar bags. Our picks consider thickness (7.5 mil and above), inclusion of properly sized oxygen absorbers, resealable zippers, and value per bag. We cross-referenced lab data on barrier performance with real-world user feedback to ensure reliability. Read on to discover the top-performing mylar bags for every storage need.
Top Mylar Bags on the Market
Wallaby 1-Gallon Gusset Mylar Bags
Best Overall
- 1-Gallon
- 15 Mil
- 400cc
- Gusset Mylar
- Zipper + Heat-Seal
60pcs 1 Quart Mylar Bags 10 Mil
Best for Small Portions
- 60 pcs
- 7×10 Inch
- 1 Quart
- 10 mil
- PET/Aluminum Foil/PET
120 Mylar Bags with 150 Absorbers
Best Variety Set
- PET, aluminum foil, PE
- 4 Sizes
- 8.5-11 MIL
- 150 Packs
- Heat Seal
100 PCS Frosted Window Mylar Bags
Best for Product Display
- Food-grade PE, aluminum foil
- Frosted clear
- Resealable zipper
- 3.14×5.11 in
- 100 pcs
Wallaby 1-Gallon Mylar Bags 10 Mil
Best Value
- 30 bags
- 1 gallon
- 5 Mil
- 400cc (30 pcs)
- BPA-free, food-grade
160 Mylar Bags with Oxygen Absorbers
Best Bulk Pack
- 4.25″ x6.3″, 6″ x9″, 8.2″ x12.2″, 10.2″ x14″
- 8.5MIL-11MIL
- Triple-layered
- 160 (400cc/500cc)
- Heat seal
100PCS Mylar Bags with 400cc Absorbers
Best Oxygen Absorber Inclusion
- 10×14, 7.1×10.2, 4.3×6.3 in
- 55 pcs 400cc
- 11.8 mil
- PET, aluminum foil, PE
- Resealable zipper
100pcs 10 Mil Thick Mylar Bags
Best Thick Protection
- PET/Aluminum/PE
- 10 mil
- 1 Gallon, 1 Quart, 1/2 Pint
- Resealable Zipper
- 150 pcs
Funfery 300 Pack Holographic Mylar Bags
Best for Small Business
- 300 pack
- 4.7×7.9 in
- Mylar foil
- Resealable zipper
- Clear front
Best Mylar Bags Review
How to Choose the Right Mylar Bags
Understanding Mylar Bag Thickness (Mil)
The thickness of a mylar bag, measured in mils, is a primary factor in determining its durability and protective capabilities. Lower mil bags (around 5 mil) are suitable for short-term storage of dry goods and are generally more affordable. However, for long-term food storage – think years, not months – or for items prone to puncturing, a higher mil bag (7.5 mil to 10 mil or higher) is crucial. The thicker the material, the more resistant it is to tears, punctures, and moisture/oxygen penetration, directly impacting how well your items are preserved. Investing in thicker bags upfront can save you from spoilage and wasted product down the line.
Oxygen Absorber Inclusion & Quantity
Mylar bags are often sold in bundles that include oxygen absorbers. These are vital for long-term food storage as they remove the oxygen that causes spoilage and degradation. Pay attention to the size (measured in cc – cubic centimeters) of the oxygen absorbers included. A 400cc absorber is generally sufficient for a 1-gallon bag, but larger volumes or particularly oxygen-sensitive items may benefit from 500cc or larger absorbers. Crucially, ensure the absorbers are individually sealed; exposure to air before use renders them ineffective. The quantity of absorbers included in the bundle should match the number of bags, ensuring you have enough for each use.
Zipper vs. Heat Sealability
Mylar bags commonly offer two closure methods: resealable zippers and heat sealability. Zipper closures provide convenience for frequently accessed items – a quick open and close for snacks, for example. However, zippers don’t create an airtight seal for long-term storage. Heat sealing, on the other hand, offers a virtually airtight and tamper-evident closure, ideal for preserving food for extended periods. Many bags offer both, allowing you to initially seal with the zipper for convenience and then heat seal for long-term preservation. Consider how you plan to use the bags – frequent access or long-term storage – when making your choice.
Size & Quantity Considerations
Mylar bags come in a wide range of sizes, from small 1/2 pint bags to large 5-gallon options. Choose a size appropriate for the quantity of items you intend to store. Buying a size that’s too large wastes bag material, while a size that’s too small can lead to damage during filling or sealing. Also, consider the quantity of bags included in a pack. Bulk packs offer better value per bag, but only if you have a need for that many. If you’re just starting out or only need a small number of bags, a smaller pack may be more practical.
Material & Layering
Most mylar bags feature a multi-layered construction – typically PET (Polyethylene Terephthalate), aluminum foil, and PE (Polyethylene). The aluminum foil layer is the key component providing the barrier against light, oxygen, and moisture. Look for bags that specifically mention an aluminum foil layer. Some higher-quality bags also include an additional layer for increased puncture resistance. The overall quality of materials impacts the bag’s durability and effectiveness in preserving contents.
Mylar Bag Comparison Table
| Product | Thickness (Mil) | Included Oxygen Absorbers | Resealable Zipper | Number of Bags | Sizes Included | Best For |
|---|---|---|---|---|---|---|
| Wallaby 1-Gallon Gusset Mylar Bags | 7.5 | 30 x 400cc | Yes | 30 | 1 Gallon | Best Overall |
| Wallaby 1-Gallon Mylar Bags 10 Mil | 5 | 30 x 400cc | Yes | 30 | 1 Gallon | Best Value |
| 160 Mylar Bags with Oxygen Absorbers | 10, 10.5, 10, 8.5 | 150 (500cc & 400cc) | Yes | 160 | 1 Gallon, 2 Quart, Quart, 1/2pint | Best Bulk Pack |
| 120 Mylar Bags with 150 Absorbers | 10, 10.5, 10, 8.5 | 150 (400cc & 500cc) | Yes | 120 | 1 Gallon, Half Gallon, Quart, 1/4pint | Best Variety Set |
| 100pcs 10 Mil Thick Mylar Bags | 10 | 150 x 400cc | Yes | 100 | 1 size (unspecified) | Best Thick Protection |
| 100PCS Mylar Bags with 400cc Absorbers | 11.8 | 55 x 400cc | Yes | 100 | 1 Gallon, Quart, 1/2 Pint | Best Oxygen Absorber Inclusion |
| 60pcs 1 Quart Mylar Bags 10 Mil | 10 | 60 x 400cc | Yes | 60 | 1 Quart | Best for Small Portions |
| Funfery 300 Pack Holographic Mylar Bags | Unspecified | N/A | Yes | 300 | 3×4.7″, 4×6″, 4.7×7.9″ | Best for Small Business |
| 100 PCS Frosted Window Mylar Bags | Unspecified | N/A | Yes | 100 | Unspecified | Best for Product Display |
How We Tested & Analyzed Mylar Bags
Our recommendations for the best mylar bags aren’t based on opinion, but rigorous data analysis and research. We evaluated options based on key features identified in industry best practices for long-term food storage – focusing on material composition, thickness (mil), and closure type. We analyzed product specifications from manufacturers, cross-referencing them with independent lab reports (where available) regarding oxygen transmission rates (OTR) and moisture vapor transmission rates (MVTR).
We prioritized mylar bags with a robust multi-layer construction, specifically PET/Aluminum Foil/PE, as outlined by preservation experts. Thickness, measured in mils, was a critical factor; we favored bags ranging from 7.5 mil to 10 mil for long-term storage, aligning with recommendations for preventing punctures and maintaining barrier properties. Comparative analysis focused on user reviews regarding heat seal integrity, zipper functionality (where applicable), and overall durability. We also assessed the inclusion and appropriate sizing of oxygen absorbers within bundled packages, ensuring sufficient capacity for common storage volumes. Finally, we considered value, comparing price per bag across different sizes and quantities, to identify the most cost-effective options without sacrificing quality.
FAQs
What does “mil” mean when referring to mylar bags?
“Mil” refers to the thickness of the mylar bag material. A higher mil count indicates a thicker, more durable bag offering better protection against punctures and extending the shelf life of stored items. For long-term food storage, choosing a mylar bag with 7.5 mil or higher is recommended.
Are oxygen absorbers essential when using mylar bags?
Yes, oxygen absorbers are crucial for long-term storage within mylar bags. They remove oxygen from the bag, preventing spoilage and degradation of the contents. Ensure the size of the oxygen absorber (measured in cc) matches the bag’s volume for optimal effectiveness.
Can I reuse mylar bags?
While mylar bags themselves are durable, reusability depends on how they were sealed. If heat-sealed, opening the bag compromises the airtight seal and reuse isn’t recommended for long-term storage. If using a zipper, the bag can be resealed, but the seal won’t be as airtight as a heat seal.
What size mylar bag should I choose?
The best size depends on the quantity of the item you’re storing. Avoid overly large bags to minimize wasted material, but don’t choose a bag so small it’s difficult to fill or seal. Consider the variety of sizes available when choosing the best mylar bags for your needs.
Final Thoughts
Ultimately, selecting the best mylar bags hinges on your specific storage needs and priorities. Whether you’re prepping for long-term emergencies, preserving garden harvests, or simply keeping snacks fresh, understanding mil thickness, oxygen absorber inclusion, and closure types is key to maximizing preservation.
Investing in quality mylar bags offers peace of mind, knowing your valuable items are protected from the elements and will remain viable for years to come. Don’t hesitate to consider a variety pack to determine which sizes and features best suit your individual requirements and storage goals.





