Mylar Bag FAQs

Mylar bags have exceptional barrier properties, flexibility, and high puncture resistance. This makes them an ideal solution for pharmaceutical products and over-the-counter active ingredients, including marijuana. In fact, due to state laws, many cannabis companies incorporate child-resistant mylar bags.

Through Custom 420, you can purchase six size variations of custom mylar packaging bags. These made-to-order purchases give you zipper-type (smell-proof or child-resistant), finish (gloss or matte), and corner (squared or rounded) options.

If you plan to use a mylar bag for long-term storage, you must heat seal it. Heat sealing presses are often used. You can even do this with a clothes iron or hair straightener.

Mylar bags are usually used for long-term storage of foods and other products that deteriorate. That said, mylar bags are a great option for a medical weed container as they prevent buds from molding.

While it’s not necessary to vacuum seal a mylar bag, it’s an option to consider if you’re storing something away for a long period.

You have a few options to print on mylar bags, including direct printing, heat transfer printing, labeling, and manual writing. However, to streamline the process for companies, Custom 420 offers custom logo bags.

Mylar bags are used for food storage or other products that can worsen from environmental elements, including marijuana.

You should avoid storing moisture-rich food in mylar bags as it increases the chance of botulism.

Yes, mylar bags with flexible openings can be cleaned out and reused. This makes them an ideal choice for cannabis flower packaging, as customers typically use the product over an extended period.

Some mylar bags are smell-proof, but not all are. Custom 420 gives you the option to purchase smell-proof packaging.

Thanks to the metallic properties of mylar bags, they offer some protection against electromagnetic pulses (EMP).

Custom 420 makes it easy to develop customized mylar bags. We can design or provide templates for direct print mylars that we produce digitally and then pouch. You also have the option to create and use a custom cannabis label or have our in-house design team spruce one up for you. From there, we print these labels and apply them directly onto the bag and ship them to you.

Storing dried foods (i.e. herbs, pasta, rice, and oats) in mylar bags can increase their shelf-life. As such, mylar bags are sustainable cannabis packaging as well.

Yes, mylar bags provide a static safe environment for products.

Yes, numerous mylar bags are free of BPA and suitable for food storage. Mylar bags are approved by the Food and Drug Administration (FDA) for direct food contact and are typically constructed from food-safe materials such as PET, aluminum, and PE.

Yes, mylar bags are made of aluminum and other materials, such as polyester, polyethylene, and oxygen absorbers.

While we offer smell-proof bags, a trained dog will pick up the smells of its contents through the packaging.

Mylar bags are NOT rodent proof and mice can chew through them easily.