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How to Choose the Mylar Bags Thickness?


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When looking for the perfect packaging solutions, it is important to select the right thickness of Mylar bags. These bags are available in various shapes and sizes for several industries. They offer protection for sensitive electronics, pharmaceuticals, and food products. The thickness of Mylar bags improves the effectiveness and performance of safeguarding the package of products.

A Mylar bag has become the right choice for your business when presenting products in different styles. It is not just a bag to contain the products but also a great gateway for excellent representation. Polyethylene terephthalate creates the Mylar bags to protect the products from damage or breakage during transportation.

In this blog post, we will navigate the terrain of thickness for mylar bags with the valuable consideration for businesses to choose the best packaging solutions.

How Is Mylar Bag Thickness Measured For A Business?


Mylar contains many plastic lamination layers like a fabulous oxygen absorber. This packaging bag offers excellent storage in its original condition. Therefore, several beverage and food businesses are using these custom mylar bags as flexible packaging solutions to protect their products during the transition process. How is mylar bag thickness measured in inches? An inch is 1000th time larger than a mil. So, a mil of a mylar bag is equivalent to 1000th part of an inch.

The thickness of a Mylar bag aligns with the packaging size for your products. The dimensions for small Mylar bags are 3.5 to 4.5 mil, whereas 4.5 to 6.5 mil are for large Mylar bags. A thicker bag is an ideal choice when you are looking to store food for a longer time because it will provide magnificent isolation from external effects. So, a thicker bag improves the lifespan of packed products.

Thickness of Mylar Bags Offers Ease of Use and Safety

How is Mylar measured? Why does thickness matter for mylar bags? The thickness of Mylar is usually measured in mil, and it is of immense importance for different businesses. You must know that thickness is the only possible solution, and aluminum foil offers the ultimate protection to products from different external factors.

We use different types of materials in the manufacturing of mylar bags to offer businesses a number of benefits. You can collaborate with our team to decide which material is good for a mylar bag according to your business type. After that, lamination must be applied to the material to manufacture sustainable packaging that is very simple to use.

The most common materials for creating mylar bags are a mix of PE/PET/VMPET. Several brands also prefer aluminum foil to ensure an extra layer of protection against the sun’s harmful rays. However, aluminum foil doesn’t survive heat, so it must be used with PE material.

A thinner is more sensitive to different types of damage, such as punctures. It is always good to use bags of mils that protect the products from UV rays and ensure the necessary resistance against the puncture. So, How thick is 7 mil Mylar? A 7 mil mylar is 0.007 inch thick to ensure the ultimate protection.

Consider Length and Type of Food For Selecting Mylar Thickness

An opaque Mylar bag ensures magnificent protection for the stored food for a longer period. This means thicker Mylar bags are still considered a rule of thumb, helping food companies improve the lifetime of food items on the shelves. The recommendations for the thickness of Mylar bags are 4 mils and 7 mils. But what does mil mean in Mylar bags? It is a unit to measure the thickness of foil for Mylar bags.

The mylar thickness chart shows that smaller or 1-quart mylar bags of 4 mils are ideal for travel bags. Moreover, a 4 mils gallon bag is best for storing food items such as salt, sugar, or flour for longer. 7 mil is considered king-size in mylar bags for packing food items like beef jerky, granola, and pasta. You must consider at least 4 mil size while choosing the mylar bag thickness for your products. These are all necessary things to know about mylar bags.

What Is The Right Mylar Bag Thickness For Food Brands


Mylar bag thickness has nothing to do with reusability and seals. Your Mylar bag must be a minimum of 4 mils thick to safeguard your coffee. Moreover, a 4 mil bag also ensures the magnificent safety of brown sugar. You need a 5 mil Mylar bag for whole beans to boost customers’ trust in your brand.

When you run a frozen food business, you need to use a thicker Mylar bag to preserve the aroma and flavor. By protecting products for a long time, you can utilize the optimization options for your brand. Therefore, you have a phenomenal opportunity to ensure the fabulous presentation and protection of products on shelves.

You can also read a blog about How Tall Is a Box of Cereal?


Instant Custom Boxes offers Mylar bags with customization options for thickness. You can contact us to buy mylar bags wholesale with the desired thickness to store your products. Let’s get the best thickness for your mylar bag to preserve your food longer while maintaining the aroma and taste.


What is a 7 mil Mylar bag?

A 7 mil Mylar bag is a type of storage pouch made from a tough polyester film called Mylar. The “mil” refers to the thickness of the plastic, with 7 mils being a relatively thick option.

Can We Put Water in Mylar Bags?

Yes, we can put water in Mylar bags. To ensure water storage, no toxic substance should be in the bag.

Are Mylar bags better than vacuum bags?

Mylar bags and vacuum bags have their uses for food storage, but mylar bags are generally better for long-term storage, while vacuum bags are better for short-term storage.

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