Have you ever received your food items in packaging that is shiny and air-tight? It’s probably mylar bags. So what is a mylar bag exactly?
Mylar bags are made from BOPET and PET materials that keep your product and food item safe, fresh, and in mint condition for a longer period.
It was first developed in the 1950s by DuPont Hoechst using a vacuum chamber to vaporize aluminum, which was later bonded with a polyester sheet, forming PET.
In this detailed guide on what Mylar bags are, we will walk you through how they are made and for which products they can be used.
Let’s dig in
What Are Mylar Bags Made Of?
When you look at Mylar bags, have you ever wondered what they are made of? These packaging bags are made from Mylar film, which helps in keeping food items fresh. The Mylar film is also known as polyethylene terephthalate (PET) and biaxially oriented polyethylene terephthalate (BOPET) material.
The PET or BOPET film is placed on a roller and stretched using a specific machine called a biaxial film stretching machine or a biaxial oriented film line (BOPET line). The film is processed at a temperature above 200 degrees, resulting in smooth BoPET, which is later used in manufacturing Mylar bags according to brand needs.
What is Mylar Used For?
When it comes to Mylar bags, they can be used for packaging a variety of products. Many businesses and brands tend to use mylar bags due to their durability and flexibility, which makes them perfect for packaging products for various industries. Additionally, these packaging bags help maximize the shelf life of the stored product. These bags resist moisture, acids, oils, and other liquids, which helps maintain the product’s integrity excellently.
Here are some of the industries that use mylar bags as their packaging:
- Food Industry
- Cosmetic Industry
- Electronics
- CBD Industry
Are Mylars Easy To Print?
You may wonder if printing on mylar is hard, but that’s not the case. Mylars can be printed as easily as other packaging options available in the market, such as cardboard boxes, mailer boxes, or more.
Mostly, custom mylar bags get printed using digital printers and flexography printers for high-quality printing results. You can also learn how digital printing works by visiting our detailed guide on what digital printing is.
Does Food Stay Fresh In Them?
Yes. Mylar bags are an ideal choice for packing edible items, as they help keep them fresh and extend their shelf life. If you are selling items that require storage for extended periods, using these bags is the perfect choice for your brand. Additionally, as mentioned above, they are moisture-resistant, which helps maintain the integrity of your product. Bakeries and the food industry use these bags to pack their items. You can find cookies, brownie chunks, CBD gummies, beef jerky, and more products at the nearest gas station in air-tight mylar packaging.
Types of Mylar Bags
There are various types of mylar bags available in the market, and some of them are mentioned below:
- Die-Cut Bags: You can customize your die-cut mylar bags into any shape of your choice in your desired size. Perfect for adding a unique look to your product, giving your customers a wow factor.
- Coffee Bags: The coffee bags you find on the market are the types of mylar bags. It helps to preserve the freshness of your crushed coffee beans.
- Pet Food Bags: Mylar bags are not just limited to packing cookies or coffee beans. Most pet food comes in mylar bags, especially the pet jelly and fish products, which keep them fresh and are smell-resistant.
- Weed Bags: You can find a variety of CBD-infused products packaged in weed mylar bags, such as CBD gummies, cookies, and more, as they help maintain the crispness of your product.
- Spout Pouches: Spout mylar pouches are a practical choice for liquid or semi-liquid products. They make pouring and resealing easy, keeping your juices, sauces, or other liquid items fresh while offering a convenient, mess-free experience for customers.
How Much Food Can You Store in Mylar Pouches?
The number of food items you can store in these bags or pouches depends on the size you choose. For example, if you want to add multiple food products to be packed in it, the ordinary and generic sizes would not cut it. You should opt for a larger size that can easily store and protect them. You can check our page on the mylar bag size chart to see which size would be best for you to pack your products.
Final Thoughts
Mylar bags are more than just shiny packaging. They are a reliable solution for keeping products safe, fresh, and long-lasting. With their moisture resistance, durability, and flexibility, these bags are a go-to choice for industries like food, cosmetics, electronics, and CBD. Additionally, their customization and easy printing options make them ideal for brands seeking both functional and attractive packaging. Whether for long-term storage or retail display, Mylar bags deliver quality and protection that customers can trust.