<img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=216539877280951&ev=PageView&noscript=1" /> Mylar Bags vs. Glass Jars: Choosing the Right Packaging - Dymapak

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In the world of packaging, the choice between Mylar bags and glass jars is more than mere aesthetics. It’s a decision that can impact product preservation, sustainability, cost, and consumer perception. Mylar bags and glass jars have carved significant niches in various industries, each bringing its unique advantages to the table.

While Mylar bags, known for their flexibility and barrier properties, are a go-to for many perishable items, glass jars, with their upscale appeal and durability, are a classic choice for a range of products from preserves to cosmetics.

Let’s look at the intricacies of each packaging type, providing a comprehensive understanding that will aid businesses in making an informed decision tailored to their specific needs.

What Are the Advantages of Mylar Bags?

Mylar bags, which are often composed of a thin layer of polyester film laminated to a layer of foil, have made significant inroads in various industries due to their unique properties and advantages.

Superior Barrier Properties

One of the most noteworthy benefits of Mylar bags is their exceptional barrier against light, moisture, and oxygen — three of the most potent threats to product freshness. This kind of protection can be invaluable for items that are sensitive to these elements, like certain foods or pharmaceuticals.

The metallic layer of the bag ensures that products remain fresh for a longer duration, extending shelf life and maintaining product integrity.

Flexible and Lightweight

Mylar bags are remarkably lightweight, making them a cost-effective choice for shipping and transportation. Their flexible nature also means they can be tailored to fit a wide variety of product shapes and sizes, making them incredibly versatile.

Space Efficiency

Unlike rigid packaging options, Mylar bags take up minimal space when they’re empty. This is beneficial for storage, especially in industries where warehouse space might be at a premium.

Customization Options

Mylar bags can be easily printed on, allowing businesses to brand their packaging effectively. This customization can range from logos to nutritional information, ensuring that brands can convey essential messages to their consumers directly through packaging.


These bags can be easily sealed, providing additional protection against contamination. Whether a zip lock or heat seal, the options ensure product safety and prolonged freshness.


Given their materials and production processes, Mylar bags are often a more economical choice than glass jars, especially when produced in bulk. This can lead to significant savings for businesses in the long run.

However, it’s not all positive. There are certain challenges with Mylar bags, such as environmental concerns related to their recyclability and potential issues with punctures if not handled with care. These nuances make the choice between Mylar bags and glass jars a compelling topic of discussion.

What Are the Benefits of Glass Jars?

Glass jars have been around for centuries, and their continued use in various industries testifies to their enduring appeal.

Here’s a closer look at why glass jars still hold significant value as a packaging option.

Transparency and Product Visibility

One of the most obvious advantages of glass jars is their transparency. This allows consumers to see the product inside, which can be a crucial selling point for items like artisanal foods, cosmetics, or any product where appearance matters. It offers a level of trust, as customers can visually inspect the contents before purchasing.

Durability and Longevity

Glass is robust and long-lasting. Unlike some other packaging materials that might degrade over time, glass can maintain its integrity for years, ensuring that the product inside remains uncontaminated.

Chemical Stability

Glass doesn’t react with most substances. This makes it an ideal choice for products sensitive to chemical interactions, such as certain cosmetics or pharmaceuticals. There’s no risk of chemicals leaching into the product from the packaging, ensuring purity and safety.

Premium Aesthetics

There’s no denying the aesthetic appeal of glass. It exudes a sense of premium quality and can elevate the perceived value of a product. Whether it’s a high-end cosmetic brand or a gourmet food product, glass jars can add an element of luxury to the packaging.

Eco-Friendly Nature

Glass is 100 percent recyclable and can be reused multiple times without losing its quality or purity. This makes it an environmentally friendly choice, aligning with the growing consumer demand for sustainable packaging solutions.

Sealability and Airtightness

Glass jars can be sealed tightly like Mylar bags. With the right lid, a glass jar can become airtight, ensuring the freshness and quality of the product inside. This is particularly beneficial for products that might be sensitive to air exposure.

Tactile Experience

The tactile experience of holding a glass jar, the weight, the cool touch, and the smooth surface can enhance the user’s interaction with the product, creating a memorable brand experience.

Nevertheless, glass jars come with their own set of challenges. They are heavier than Mylar bags, which can increase transportation costs. They’re also more prone to breakage, requiring careful handling and often more extensive packaging materials to protect them during shipping.

Mylar Bags vs. Glass Jars: Which Is Better? 

The balance of function, aesthetics, and sustainability often dictates the choice between Mylar bags and glass jars in the packaging industry. At Dymapak, we’ve meticulously studied the subtle distinctions between the two to ensure we offer the best packaging solutions for our clientele.

Here’s our perspective.

Weight and Transportation Costs

Our Mylar bags stand out due to their lightweight nature. This translates to reduced shipping costs and a friendlier carbon footprint. In contrast, with its weight, glass can ramp up transportation expenses, especially when additional protective packaging becomes necessary.

Breakability and Durability

While glass jars present an aesthetic appeal, they are vulnerable to breakage. Our Mylar bags are designed to resist damage, ensuring that our clients’ products reach their destination intact, regardless of the distance or handling conditions.

Storage Efficiency

The flexibility of our Mylar bags allows them to be easily stored and stacked and thus optimize storage space. Glass jars, due to their rigidity, might not offer the same efficiency, especially when their shapes vary.

Customization and Branding

We pride ourselves on the adaptability of our Mylar bags. Their surface is crafted to vividly display bespoke graphics, messages, and mandatory legal disclosures. Although glass jars have their own branding merits, our Mylar bags’ versatility ensures each brand can truly stand out.

Environmental Considerations

At Dymapak, we’ve always been conscious of the environmental implications of packaging. Traditionally, environmentalists have been cautious about Mylar bags due to plastic concerns.

However, our SecureSack ECO challenges this narrative. This breakthrough pouch, fully recyclable, carries our patented Secure Sack child-resistant feature. Thus, it perfectly marries environmental responsibility with the paramount need for product safety.

While glass is recyclable, its recycling process can sometimes be energy-intensive, posing its own set of challenges.

Accessibility and Safety

We’ve designed our Mylar bags to be user-centric, ensuring both user experience and safety. Our SecureSack ECO, for instance, is not just environmentally forward but also incorporates child-resistant features, all while ensuring ease of access for adults. Glass jars, depending on their lid mechanism, might not always mirror this level of child protection.


Glass jars often come with cost implications due to potential breakage, weight, and sometimes even unique storage requirements. Our Mylar bags, in contrast, present significant cost efficiencies across the board — from production to transportation, storage, and even display. The adaptable nature of Mylar bags allows them to be a more budget-friendly solution for many businesses.

Product Freshness

Both glass and Mylar bags are commendable in preserving product freshness with their airtight sealing capabilities. However, our Mylar bags go a step further, especially for products sensitive to light exposure. They act as a barrier, preventing harmful UV rays from degrading the contents and ensuring longevity and quality.

Aesthetic Versatility

While the classic look of a glass jar offers a timeless appeal, our Mylar bags provide a modern edge with unmatched adaptability. They can be shifted to echo brand themes, seasonal promotions, or even limited edition prints.

This versatility ensures that products packaged in Mylar bags have a dynamic shelf presence, which can be tailored to ever-evolving marketing campaigns and consumer trends.

The Bottom Line

Packaging is influential in the customer experience, product preservation, and overall brand image. When choosing between Mylar bags and glass jars, it’s essential to assess your product’s unique needs and your target audience’s expectations.

Both packaging solutions offer undeniable advantages. Glass jars exude an aura of timeless class, while Mylar bags provide flexibility, protection, and adaptability.

Here at Dymapak, we’re proud of our innovations in the Mylar bag arena, especially with our environment-conscious solutions like the SecureSack ECO. As the world leans more towards sustainability without compromising on quality and safety, our child-resistant pouches are a testament to our commitment to meeting this demand.

In the end, it’s all about finding a packaging medium that aligns with your brand ethos, caters to your product’s specifics, and resonates with your consumers. By staying informed about the merits of each option, you’re well-equipped to make the best decision for your brand and customers.


How to Package Dry Foods in Mylar Bags for Long Term Storage | The Provident Prepper

Benefits of Glass Packaging | Glass Packaging Institute

How storing cannabis in Mylar bags increase the shelf life | GetIdeas

The Elusive Green Consumer | HBR