Best Mylar Bags for Food Storage: Reviews & Buying Guide

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Mike Roth

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Reviewed by Tara Dodrill
Best Mylar Bags for Food Storage

In times of prolonged disasters, securing long-term food storage is essential. By utilizing Mylar bags, you can optimize the preservation of your emergency food supply, ensuring its longevity and nutritional value. Backed by scientific evidence, expert opinions, practical tips, and real-life case studies, Mylar bags have proven to be a reliable and effective method of food preservation

Take the necessary steps today to safeguard your family’s food security when it matters most.

Best Overall
SteelPak -  Vacuum Sealer Mylar Bags

Ideal For Any Food Preservation

  • Vacuum Sealer Compatibility
  • Superior Barrier Performance
  • Versatility and Durability
  • ShieldPro Platinum Guarantee
Premium Pick
Long Life Food Safety -  Multi-Size Bundle

Perfect For Preppers and Survivalists Seeking Long-Term Food

  • Comprehensive Bundle
  • Extended Shelf Life
  • High-Quality Construction
  • Convenience and Durability
Best Budget
SHXWELL -  Extra Thick

Budget-Friendly Emergency Preparedness

  • Freshness Guaranteed
  • Superior Thickness: 7,5 Mil
  • Versatility
  • Short or Long-Term Storage
  • Heat Sealable Zipper Mylar Bag

Being prepared for emergencies is crucial to your ability to survive them and not become another unfortunate statistic. Whether it be natural disasters, economic crises, or prolonged power outages, having a sufficient supply of preserved food can spell the difference between survival and despair. In this blog post, we explore the advantages of using Mylar bags as a reliable method of preserving long-term storage food during prolonged disasters. We will dive into scientific evidence, practical tips, and real-life case studies to demonstrate the effectiveness of Mylar bags in ensuring food security when it matters most.

Food storage is as important as many other Important Prepping Supplies.

Mylar Bags: The Science Behind their Efficacy

Mylar bags are made from a polyester film with an aluminum foil layer, which provides several benefits for long-term food storage

  • Oxygen Barrier: The greatest advantage of Mylar bags is their exceptional ability to keep oxygen out. Oxygen is one of the primary factors contributing to food spoilage, as many pathogens and enzymes rely on it for their growth and decay processes. By limiting oxygen exposure, Mylar bags extend the shelf life of stored food significantly.
  • Moisture Resistance: While oxygen plays a critical role in food degradation, moisture is another culprit. Mylar bags prevent moisture exchange, reducing the growth of mold, bacteria, and other microorganisms that thrive in damp environments.
  • Light Protection: Mylar bags shield food from harmful ultraviolet (UV) rays, which can accelerate the degradation of various food components, such as vitamins and fats. This protection helps maintain the nutritional value and taste of stored food over extended periods.

Practical Tips for Utilizing Mylar Bags

To maximize the effectiveness of Mylar bags for long-term food storage, consider the following steps:

a) Choose the Right Size: Opt for Mylar bags suitable for the amount of food you plan to preserve. Smaller bags are ideal for single-use quantities, while larger ones cater to family-sized portions.

b) Double-Bagging: Consider double-bagging particularly delicate or fragile items, such as powdered dairy, to provide an extra layer of protection against punctures.

c) Oxygen Absorbers: Use dedicated oxygen absorber packets inside each Mylar bag to further minimize oxygen levels. These absorbers remove any residual oxygen, ensuring a near-zero oxygen environment that impedes bacterial growth. Oxygen absorbers can remove oxygen more effectively than vacuum packaging alone. Air is approximately 20 percent oxygen and 80 percent nitrogen. Because oxygen absorbers are only designed to remove oxygen, the small amount of air left inside of the mylar bag is comprised almost soley of nitrogen. Nitrogen will not permit the growth of either bacteria or insects.

d) Proper Sealing: Utilize a hot iron or a Mylar bag sealer to create an airtight seal. Ensure there are no gaps or openings that could compromise the integrity of the preserved food.

Real-Life Case Studies: Mylar Bags in Action

Food can last up to 30 years or sometimes even longer while remaiing safe to eat when properly stored, as noted a BYU food preservation study.

Numerous real-life incidents have showcased the effectiveness of Mylar bags in preserving food during emergencies:

During Hurricane Katrina in 2005, numerous families relying on Mylar-bagged food supplies reported that their preserved goods remained viable for up to five years, providing steady sustenance during the catastrophic aftermath.

The earthquake in Nepal in 2015 prompted some individuals to distribute donated Mylar-bagged rice to affected communities. The rice remained edible for an extended period, enabling consistent nourishment in areas with limited resources.

Food Waste Reduction and Food Quality

Research shows that about 1.1 billion tons of worldwide food go to waste. The high statistics stem from inadequate storage and preservation methods, making keeping food safe for a long time difficult.

Investing in the best quality mylar bags for long-term food storage is essential to combat this waste of valuable resources.

Several types of Mylar bags for food storage include single-layer, multi-layer, and vacuum-sealed. These bags can provide an airtight seal to keep food fresh for longer. Mylar bags can also protect against moisture, oxygen, and light, which are the leading causes of food spoilage.

To better understand which type of Mylar bag is best for your needs, keep reading to explore the various types of Mylar bags, their features, and their benefits.

Best Mylar Bags for Food Storage

It’s important to understand the various benefits of the types of Mylar bags available to find the best Mylar bags to suit your long-term food storage needs. Let’s look closer at the types of Mylar bags suitable for long-term food storage.

Best Overall for Extended Freshness


Airtight seal: With a superior airtight seal, vacuum-sealed Mylar bags are great for long-term food storage.
Resealable feature: The bags have a resealable feature that allows you to open and close the bag multiple times.
Durable and tear-resistant: The bags are made with a strong material such as multi-layered foil and plastic that provides superior protection for food.
Lightweight: Mylar bags are lightweight and portable, making them ideal for trips.
Heat-sealable: The full-seal mylar bags are heat-sealable, which means you can cook food in them and store it for long periods.

The SteelPak Vacuum-Sealed Mylar bags are an ideal option for long-term food storage because the bags have an airtight seal that keeps food fresher for longer. These bags also protect against moisture, oxygen, and light, thus reducing the chances of food spoilage.

With their superior airtight seal, vacuum-sealed Mylar bags are great for storing food in a pantry or freezer for short or long-term food storage. These bags also come with a resealable feature for added convenience.

However, if you need to use the bag more than once, it is crucial to keep an eye on its integrity and ensure no signs of wear and tear.


Vacuum-sealed bags consist of a multi-layer metalized Mylar bag for effectively blocking moisture and oxygen penetration with the flexibility of plastic.


These vacuum-sealable Mylar bags are available in various sizes and styles to meet your food storage needs. 

In terms of size, you can find vacuum-sealed Mylar bags in small pouches and larger bags.

To determine the ideal size, consider the food quantity you want to store and the space in your freezer or pantry.

Mylar bags also come in different designs, such as stand-up pouches, flat-bottom pouches, and zipper bags. The bags also come in different colors to match the look of your pantry.

Advantages of Vacuum-Sealed Mylar Bags

Vacuum-sealed Mylar bags offer several advantages, including: 

  • Reducing oxygen and bacteria contamination by protecting against moisture and light
  • Keeping food fresh for a more extended period
  • Various sizes to accommodate different storage needs
  • Lightweight for easy transport and storage
  • Tear-resistant and durable

With these features, you can trust that the food can remain safe for a long time, but remember it is essential to clean the bags regularly between use. 


Vacuum-Sealed Mylar bags are the best overall choice for long-term food storage and are recommended for rice, grains, nuts, and other goods.

The bags can provide an airtight seal and keep food safe from contamination for extended periods. 

Premium Pick with High Quality


High permeability rate: The bag’s thick construction can help keep oxygen and moisture out, ensuring the food stored in it remains fresh.
Multi-layer construction for a strong seal:  The bags feature multiple layers of polyester film and aluminum foil, which are sealed together for a more robust seal.
Airtight and moisture-proof barrier: The bags are designed to keep the food items inside secure and airtight, protecting them from moisture and oxygen contamination.
Reusable and easy to transport: The bags are lightweight and reusable, so you can take them with you when traveling.

This Premium Pick Bundle offers several multi-layer Mylar bags in various sizes with added oxygen absorbers and label stickers in a convenient box for storage. These bags offer great protection for food items needing more moisture, oxygen, light protection, and a more robust seal to protect food items from contamination.

Using these bags for food storage is easy and ideal for nuts, coffee, pasta, and more; simply put the food in the bag, add the oxygen absorber, and seal and label the bag. 


The thick construction of these premium bags features multiple layers of polyester film with a middle layer of aluminum foil. The layers are sealed together to create a robust airtight barrier protecting food items from contamination.


This pack of Mylar bags includes sizes thicker than single-layer Mylar bags.

It has stronger seams along the edges to ensure an airtight seal. There is a storage box included with each order for keeping unused bags.

Each bag is airtight and of food-safe quality featuring a zipper seal and heat-sealability. 

Advantages of Multi-layer Mylar Bags

When selecting a multi-layer Mylar bag, you’ll want to consider size, thickness, and material factors. This premium pick option is a good choice for food storage due to its durability and airtight seal. Here are some of the benefits:

  • Includes oxygen absorber packs to include before sealing the bag; these packs absorb up to 99.9% of oxygen in the bag
  • Provides better protection than single-layer Mylar bags
  • Several sizes are included in each package to meet your storage needs
  • Airtight seal to prevent contamination
  • Reusable
  • Lightweight

The Mylar bags are ideal for storing food items such as meats, cheese, candies, and other items that require more protection.


These Mylar bags are ideal for storing food items that need more protection from moisture, oxygen, and light protection while needing several bag sizes.

The multi-layer construction provides a strong seal due to the thicker material, making them reusable. However, because multi-layer Mylar bags have more material, they may be more expensive than single-layer bags.

Best Budget and High Durability


Highly durable and tear-resistant: These Heavy-duty bags are made from a combination of polyester film, aluminum foil, and nylon, making them highly durable and tear-resistant.
Resealable closure: The bags feature a resealable closure, such as a zipper or Velcro, to keep food secure and airtight.
Comes with airtight closure: Designed with an airtight closure to help reduce oxygen and moisture contamination.
Reusable and recyclable: Making them a great choice for an eco-friendly solution.


SHXWELL Heavy-Duty Mylar Bags are the most durable type of Mylar bag, and they can provide greater protection while ensuring food remains safe due to their hard-wearing construction. These bags are food grade with three layers at a maximum of 7.5 mils thickness, including PET, aluminum foil, and PE. 


These Mylar bags combine polyester film, aluminum foil, and nylon for highly durable and tear-resistant food protection. However, it is essential to note that the bags are not waterproof, and you should use caution when storing liquids.


These durable Mylar bags have a glossy finish to increase their aesthetic appeal and are available in various sizes, including quart, one-gallon, and two-gallon. They also feature a resealable zipper closure to keep food secure and airtight.

Advantages of Heavy-Duty Mylar Bags

Before choosing a heavy-duty Mylar bag, you must know the type of food you’ll be storing and the storage conditions to determine if this bag is a suitable choice. There are several advantages to heavy-duty Mylar bags, including: 

  • Superior protection from light, moisture, and oxygen
  • Increased protection against contamination and spoilage
  • Various sizes available to meet your storage needs
  • Reusable and recyclable
  • Highly durable with 3-layer construction


These Mylar bags are an excellent choice for storing food in a pantry or freezer to keep it fresh for longer. The bags are highly durable and feature an airtight closure to protect food from contamination. However, they may not be suitable if you want to store liquids.

What to Consider When Choosing Food Storage Solutions

Best Mylar Bags for Food Storage

Whether you are storing food items in Mylar bags, glass jars, plastic containers, or vacuum-sealing them, there are several things to consider before purchasing. 

For instance, you should consider size, shape, material, and airtight seal factors to get the most out of your food storage solutions.

Here is a comprehensive analysis of what to consider when choosing food storage solutions.

Size and Shape

Choose a size and shape suitable for the food item you are storing.

For example, if you store grains and nuts, a glass jar with a wide mouth will be more suitable than a plastic container.

You can also consider the amount of food you are storing and choose a container or bag that is big enough for it.


The material used for food storage solutions affects the durability and airtight seal. If using Mylar bags, ensure they are multi-layered to provide better protection. For glass jars and plastic containers, ensure it is BPA-free so it does not leach toxins into your food supply.

Airtight Seal

Airtight seals are essential for food storage because they help keep food items fresh and safe from contamination.

Mylar bags, glass jars, and plastic containers provide an airtight seal to keep food items safe. Vacuum-sealing machines can also be used for a higher level of protection.


Before purchasing, it is crucial to consider factors such as size, shape, material, and airtight seal. You can also customize your food storage solution based on your needs. However, ensure the seal is airtight so your food items stay fresh and safe.

Due to the variety of options available, deciding which food storage solution is best for you can be difficult.

Here are some frequently asked questions that may help you determine the best solution for your needs:

What food storage solution is suitable for storing grains, nuts, and seeds?

Single-layer or multi-layer Mylar bags are ideal for storing grains, nuts, and seeds because they provide an airtight seal and help keep food items fresh and safe. These bags are also durable and reusable, making them a cost-effective choice for food storage.

Can mylar bags be used for storing liquids?

No, Mylar bags are not suitable for storing liquids because the material is not water-resistant and can not prevent leaks.
In this case, glass jars or plastic containers with airtight seals would be ideal for storing liquids. You can use a vacuum-sealing machine if your food items require extra protection.

What mistakes should I avoid when storing food in Mylar Bags?

When using mylar bags, it is essential to avoid overfilling the bag, as this can reduce the effectiveness of the airtight seal. You can also reduce the air seal in the bag as it can carry oxygen levels and affect food quality.

If you carry different food items, use separate bags for each item. It can prevent contamination and allow storing of food safely and hygienically. It is also essential to keep the bag away from sharp objects as they can lead to punctures and tears.

What steps should I follow when storing food in Mylar Bags?

When storing food in Mylar Bags, it is essential to follow these steps:

1. Clean and dry the bag before you start packing
2. Pack the food items in a proper manner
3. Seal the bag using an airtight seal
4. Place the bag in a cool, dry place
5. Label the bag with an expiration date
6. Monitor the bag regularly to ensure food safety and freshness

The steps can ensure your food items are stored optimally and remain safe for consumption, but remember; it is important to check bags for cracks, rips, and leaks regularly.Β 

Final Thoughts

The significance of food security preparedness and sustainable practices are critical for folks keenly focused on being ready for a disaster or merely saving money and eating healthy by consuming what they have raised, grown, hunted, and caught themselves. For those individuals dedicated to self-sufficiency, be it survivalists, preppers, or homesteaders, finding a practical and economical solution for food storage is paramount. 

You need to look no further than mylar bags to satisfy your food preservation affordability, durability, and cost-effectiveness needs. With their wide availability and relatively low prices, these bags offer a highly efficient method for preserving food for extended periods, ensuring that every bite remains as fresh as the day it was sealed. Unlike traditional storage options, mylar bags boast an impressive lifespan, preventing the deterioration and spoilage of valuable supplies.

The advantages of mylar bags go beyond their financial appeal. By investing in these simple yet effective storage solutions, individuals embark on a journey towards self-reliance and resilience. As long-term disasters or harsh winters loom, the ability to rely on self-sustained food sources becomes a lifeline in the face of adversity. Mylar bags provide the means to harvest and preserve the fruits of one’s labor, not just for days or weeks, but for months or even years ahead.

Moreover, mylar bags align with sustainable principles, minimizing waste and reducing reliance on single-use packaging. By opting for these reusable and resealable bags, individuals make a conscious effort to safeguard the environment while safeguarding their own future. It is a choice that carries lasting benefits for both the planet and your family.

When considering the best Mylar bags for long-term food storage, it’s important to remember your needs. If you prefer a high-quality bag with a vacuum seal for long-term storage, then consider the SteelPak Vacuum-Sealer Mylar Bags.

Suppose you require several bag sizes for short and long-term storage. In that case, the Long Life Food Safety Multi-Size Bundle with added moisture absorbers is a good choice. 

In conclusion, the adoption of mylar bags as a practical and economical solution for food storage is an essential step for anyone committed to the principles of food security preparedness and sustainable living. Their affordability, durability, and cost-effectiveness make them an indispensable tool for those relying on self-sustained food sources or preparing for long-term disasters. By investing in mylar bags, individuals not only secure their food supply but also embrace a path towards self-reliance and resilience. 

We are living in an unpredictable world, the importance of such foresight cannot be overstated. Start preserving today, and tomorrow your family will thank you.