When it comes to long-term food storage, Mylar bags have become one of the most popular and trusted packaging solutions on the market. But a question many buyers still ask is: Are Mylar bags food safe? The short answer is yes—high-quality print on mylar bags are generally safe for storing food. However, understanding why they are safe and how to choose the right ones is essential for ensuring the protection and freshness of your products.
What Makes Mylar Bags Food Safe?
1. Made From Food-Grade Materials
Mylar bags are produced using food-grade PET (polyethylene terephthalate) combined with aluminum foil layers. This structure meets international safety standards and does not release harmful chemicals into food under normal storage conditions.
2. Excellent Barrier Properties
Food safety starts with protecting food from environmental factors. Mylar bags offer:
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High oxygen resistance
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Moisture barrier
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Light protection
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Pest resistance
These features help keep food fresh, prevent mold, and extend shelf life significantly.
3. Ideal for Long-Term Storage
When used together with oxygen absorbers, Mylar bags can store dry foods—such as grains, beans, nuts, coffee, spices, and dehydrated fruits—for years without spoilage. This makes them a preferred choice for food manufacturers, wholesalers, and emergency-preparedness buyers.
Are All Mylar Bags Food Safe?
Not all bags marketed as “Mylar bags” meet food safety requirements. Buyers should carefully evaluate the following:
✔ Food-Grade Certification
Look for materials that comply with:
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FDA food-contact standards
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EU food-grade regulations
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SGS, ISO, or other third-party testing reports
✔ Thickness & Durability
Bags with 5–7 mil or thicker layers offer stronger protection and longer shelf life.
✔ Aluminum Layer Integrity
A high-quality aluminum foil layer blocks oxygen and light more effectively than metallized films.
✔ Safe Ink & Printing
All printing should use food-safe ink and be applied on the outer layer, without touching the food inside.
What Foods Can Be Stored in Mylar Bags?
Mylar bags are versatile and suitable for a wide range of products:
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Coffee beans & tea
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Nuts & dried fruits
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Candy & snacks
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Grains, rice & flour
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Pet food
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Freeze-dried meals
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Spices, herbs & seasonings
They are especially recommended for dry food packaging bag with low moisture content.
How to Use Mylar Bags Safely
To ensure maximum food safety and shelf life:
1. Seal Properly
Use a heat sealer to create an airtight closure.
2. Add Oxygen Absorbers
Effectively reduce oxidation and prolong freshness.
3. Store in a Cool, Dry Place
Avoid direct sunlight to prevent degradation.
4. Choose the Right Size and Thickness
Match the bag specifications with your product needs.
Final Answer: Yes, Mylar Bags Are Food Safe—If You Choose Quality
Looking for high-quality packaging bags? You’re in the right place. As a professional manufacturer of food-grade packaging, we maintain strict quality control at every stage—from raw material selection to final production—to ensure safety, consistency, and superior performance. Our bags are durable, hygienic, and produced in compliance with recognized food-safety standards. Choose our packaging with confidence.
