Mylar Bags Vs Foodsaver Bags

Last updated: February 27, 2024.
Writen by :
Eric Lu
Marketing at Bagnpouch

Hey, have you ever wondered about the best way to store your food for the long haul?

Let's talk about Mylar bags versus Foodsaver bags.

When it comes to keeping your food fresh and protected, these two options have some key differences.

Understanding material composition, oxygen and moisture barrier, long-term storage compatibility, cost-effectiveness, and environmental impact will help you choose.

So, whether you're prepping for emergencies or just trying to cut down on food waste, it's important to know which option will keep your food in the best condition.

Let's dive in and explore the pros and cons of each to find the best fit for you.

What are Mylar Bags?

mylar bag for food packaging

Mylar bags are crafted from BoPET (Biaxially-oriented polyethylene terephthalate), a type of polyester film.

This material endows Mylar bags with their notable durability and a suite of protective qualities essential for preserving food's freshness and nutritional value over time.

The inclusion of aluminum foil in many Mylar designs enhances their ability to act as an impenetrable barrier against light, oxygen, and moisture—key factors that contribute to food spoilage.

Key Benefits of Mylar Bags:

  • Long-Term Food Storage: Mylar bags are engineered to extend the shelf life of food products significantly. They are an ideal choice for storing bulk dry goods, such as grains, legumes, and powders, preserving their nutritional value and taste for years.
  • Light and Oxygen Barrier Properties: The reflective surface of Mylar bags and their ability to block out light and oxygen are critical in preventing the deterioration of food items. This ensures that the contents are protected from harmful UV rays and oxidation, which can lead to spoilage.
  • Moisture Resistance: Mylar's impermeability to water vapor makes these bags an excellent choice for warding off moisture. This characteristic is particularly beneficial in humid environments or when storing items that are sensitive to moisture.
  • Durability: The strength of the BoPET film, coupled with protective coatings or layers, makes Mylar bags resistant to punctures and tears. This durability is essential for protecting the bag's contents during storage and transportation.

What are FoodSaver Bags?

food saver easy fill bag 2

FoodSaver bags are designed for vacuum sealing and effectively remove air from surrounding food to provide an airtight closure. It locks in the food's natural moisture, taste, and nutritional value while reducing oxygen, a major cause of spoilage.

Made from multi-layer, BPA-free plastic, the FoodSaver bags are engineered to be strong, flexible, and durable. The layers work together to provide an effective barrier against air and moisture, while also being resilient enough to withstand the rigors of freezing, boiling, and microwave heating.

Primary Benefits of FoodSaver Bags

  • Air Removal Efficiency: The cornerstone of their design, FoodSaver bags excel at extracting air from around the food, significantly reducing the risk of aerobic bacteria growth and oxidation.
  • Preservation of Freshness: By creating an environment that's almost entirely devoid of oxygen, these bags help maintain the freshness, texture, and taste of food for much longer than conventional storage methods.
  • Versatility in Use: FoodSaver bags come in a variety of sizes and shapes, making them suitable for everything from small servings of herbs to large cuts of meat. This adaptability ensures that regardless of the food's size or shape, there's a FoodSaver bag that can accommodate it, offering flexibility and convenience to users.

What's the differences Between Mylar Bags and FoodSaver Bags?

In the landscape of food storage, Mylar bags and FoodSaver bags stand out for their unique features and applications. Delving into their differences sheds light on which bag might best suit your storage needs, from material resilience to sealing technology, and overall cost-efficiency.

Material Composition

When choosing between Mylar bags and Foodsaver bags, you should consider the material composition of each to determine which best suits your needs.

Mylar bags are known for their exceptional heat resistance and durability, making them ideal for long-term food storage. These bags excel in preserving food quality by providing a strong barrier against oxygen, moisture, and light.

On the other hand, Foodsaver bags are designed for vacuum sealing, ensuring airtight preservation of food. They offer excellent puncture resistance, safeguarding your food from potential damage.

Sealing Technology

The sealing mechanism marks a significant point of divergence between the two.

Mylar bags are sealed using heat, which effectively melts the bag's material to create a durable seal. This method is ideal for achieving long-term storage, as it ensures no air or moisture can penetrate the bag once sealed.

FoodSaver bags, on the other hand, are designed to work in tandem with vacuum sealing machines. This technology removes air from the bag before sealing, which significantly reduces the oxygen level inside the bag, thereby extending the freshness of its contents.

Barrier Properties

To achieve optimal food preservation, it's essential to understand how Mylar bags and Foodsaver bags differ in their oxygen and moisture barrier capabilities.

Mylar bags are constructed with a strong polyester film that provides an exceptional barrier against oxygen and moisture. This makes mylar bags ideal for long-term storage of food items, as they effectively prevent spoilage and maintain freshness.

Foodsaver bags, while still effective in preserving food, may not offer the same level of protection against oxygen and moisture as Mylar bags. This could have implications for the shelf life of the stored items.

As we delve into the next section about 'long-term storage suitability', it's important to consider the specific requirements of your food storage to ensure it remains fresh and safe for consumption.

Shelf Life

The expected shelf life of food stored in Mylar bags can span several years, thanks to their robust barrier properties and durable material. This makes them an ideal choice for long-term food storage, particularly for dry goods such as grains, legumes, and powders.

Food stored in FoodSaver bags, while also capable of extended shelf life compared to non-vacuum sealed alternatives, generally does not last as long as in Mylar bags. The vacuum sealing process extends freshness for months to a few years, depending on the food type and storage conditions.

Now, let's delve into the cost-effectiveness of these storage solutions.

Cost and Affordability

The cost per bag and overall value for money vary between Mylar bags and FoodSaver bags. Mylar bags may initially appear more expensive due to their material and durability; however, their reusability and long-term storage capabilities can provide greater value over time.

FoodSaver bags, while potentially less costly upfront and offering the convenience of vacuum sealing, may require more frequent replacement if used for long-term storage, affecting their overall cost-effectiveness.

Environmental Impact

When considering the environmental impact, Mylar bags are more concerning than Foodsaver bags due to their limited recyclability.

Mylar bags, often used for long-term food storage, aren't easily recyclable and can contribute to environmental waste.

On the other hand, Foodsaver bags, offer a more sustainable packaging option.

Many of these bags are compatible with recycling initiatives and can be repurposed, reducing their impact on the environment. Sustainable packaging is essential for minimizing waste and promoting environmental consciousness.

How to Choose Between Mylar Bags and FoodSaver Bags?

Selecting between Mylar and FoodSaver bags for food storage hinges on a few key considerations. Here’s a streamlined guide to help you make the best choice for your needs:

Define Your Storage Goal

  • Long-term Storage: Mylar bags are superior for preserving food for years, ideal for bulk storage or emergency supplies due to their durability and protection against air, light, and moisture.
  • Short-term Storage: FoodSaver bags are perfect for keeping everyday foods fresh for shorter periods, such as weeks to a few months, thanks to their vacuum sealing technology.

Assess Food Types

  • Dry Goods: Mylar bags are best for grains, legumes, and powders, offering long-term preservation.
  • Perishables: FoodSaver bags excel with meats, cheeses, and vegetables, extending freshness through air removal.

Consider Budget and Space

  • Cost: Mylar bags, though initially more costly, provide long-term savings with their reusability and durability. FoodSaver bags may seem economical upfront but may require more frequent replacements.
  • Storage Space: Mylar bags maintain their size and shape, potentially posing storage challenges. FoodSaver bags, being vacuum-sealed, are more space-efficient and adaptable to limited storage areas.


So there you have it! When it comes to preserving your food, mylar bags are the way to go.

They provide superior protection against oxygen and moisture, making them perfect for long-term storage.

Plus, they're cost-effective and environmentally friendly.

So next time you're stocking up on supplies, skip the foodsaver bags and opt for mylar instead.

Your future self will thank you for it!

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