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What are the sizes of Mylar Bags? : A Comprehensive Guide

What are the sizes of Mylar Bags? A Comprehensive Guide

Mylar is a versatile polyester film. It has been observed that for the past few years, the packaging suppliers have preferred these Mylar Bags Custom for the packaging. From packaging to product storage these versatile Custom Mylar Bags Wholesale.

Different Packaging companies offer these packaging bags in various sizes and design options. However, with so many sizes and thicknesses available, choosing the right Mylar for your needs can be challenging.

In this blog, we will discuss the Mylar Bag size chart that can help you in selecting the most suitable bag size for your products. Moreover, this ultimate size guide will help you understand the different dimensions and how to select the perfect Mylar for your Business items.

Before discussing the size and thickness of these bags, Let’s explore the Mylar Packaging Bags first.

What Is Mylar Bag?

Many people still don’t know what Mylar bag is. That’s why it is fundamental to talk about Mylar first and then its sizes and thickness levels. Mylar is a type of polyester film that is popular for its strength, durability, and resistance.


However, there are 5 basic purposes for using Mylar packaging.

  • Packaging

The reliable and resistant nature of Mylar makes it a perfect option for packaging. The robust packaging film is capable of protecting products from moisture and contamination. That’s why they are frequently used in the food storage industry.

  • Insulation

The amazing characteristics of these bags have increased their demand. You can also use a thick large Mylar bag for thermal and electrical insulation.

  • Crafting

The tear-resistant nature of Mylar makes it an ideal option to use in stencils, overlays, and art projects

  • Agriculture

The barrier and oxygen-absorbing nature of Mylar stock has made them an ideal option for the secure storage of seed and herbal products. Weed Mylar Bags are one of the best examples of it. However, these bags reflect light to promote plant and seed growth.

  • Storage

Mylar has a strong smell-locking ability. However, the repellent nature makes this stock a perfect option for food storage bags.

Understanding Mylar Bags Sizes

Selection of a perfect size and perfect fit packaging is essential for the secure delivery of the packed item. Multiple packaging Houses in the USA offer a versatile range of custom Mylar bags Wholesale.


However, most brands define their variation according to their dimensions, thickness, and sizes. Mylar bags are available in many sizes to suit a range of contents and storage requirements.

The most popular Mylar bag sizes and their typical uses are broken down in detail below

Small Size Mylar Bags

Small Mylar bags are handy and quite manageable. That’s why they can easily fit in a handbag or pocket. However, different packaging companies are offering these bags with few modifications as per their product’s requirements.

Size: 3″x4″ to 4″x6″

Application: you can use them to store small quantities, a 3.5-gram Mylar bag is also categorized as a small one. You can easily choose a 3.6 x 5 inches bag for the storage of a 3.5-gram product.

Medium Size Mylar Bags

Medium size of packaging is always in demand. These bags can easily manage a suitable and presentable amount of product. You can easily modify them as per your ease. It’s up to you to either choose the Heat seal Mylar bags style or you prefer the Zipper Mylar Bags option for your medium-sized packaging pouches.

Size: 5″x7″ to 8″x 12″

Application: these bags can easily be managed from half a pound to a pound. That’s why there are a lot of items that can be packed, stored, and delivered in these medium size packaging bags.

Large Mylar Bags

As mentioned in the name, these bags are quite large and bigger. That’s why you can easily pick them for wholesale or bulk packaging. Mostly those household items that are used daily in our houses are easily packed and delivered in these big-size packaging bags.

Mostly stand up Mylar Bags and pouches are designed in large sizes. However, their ability to keep stand vertically makes them identical and also helps the storekeeper to keep the stock in a well-arranged and organized manner.

Size: 10″x14″ to 12″x18″

Application: you can go for a large Mylar bag whenever you need to store or deliver any product in bulk. Many household products like rice, beans, flour, and spices are packed and securely delivered in these bigger bags.

Extra Large Mylar Bags

Extra-large bags are used to store products in gallons. These giant packaging bags are designed with re-sealing tape. So you can easily keep the remaining product secure inside the packaging. A Marijuana Mylar Bag with a re-sealing option can be used to deliver weed and CBD items securely in bulk. However, the selection of wholesale packaging can reduce your per-unit cost as well as you can save your shipment cost too.

Size: 14″x20″ to 20″x30″

Application:  the extra-large Mylar bags are perfect for wholesale and bulk quantities. Normally food, long-term emergency supplies, and large non-food items are packed in these big bags.

Mylar Packaging Bags Size Chart

For precise data let’s make a size chart for Mylar Packaging bags. This chart will surely help you figure out what are Mylar bags used for.




Ideal For

Small Mylar Bags

3″ x 4″

7.6 cm x 10.2 cm Up to 1 oz.

Spices, seeds, herbs, small hardware components

4″ x 6″

10.2 cm x 15.2 cm

Up to 2 oz.

Small quantities of food, small electronics

Medium Mylar Bags

5″ x 7″

12.7 cm x 17.8 cm

Up to 8 oz.

Nuts, dried fruits, grains, small electronics

6″ x 9″

15.2 cm x 22.9 cm

Up to 1 lb.

Snacks, coffee, tea, small electronic devices

8″ x 12″

20.3 cm x 30.5 cm

Up to 2 lbs.

Grains, flour, pasta, larger electronic components

Large Mylar Bags

10″ x 14″

25.4 cm x 35.6 cm

Up to 5 lbs.

Rice, beans, bulk spices, documents

12″ x 18″

30.5 cm x 45.7 cm

Up to 10 lbs.

Bulk food storage, larger items, emergency supplies

Extra-Large Mylar Bags

14″ x 20″

35.6 cm x 50.8 cm

Up to 15 lbs.

Bulk food storage, large non-food items, long-term emergency supplies

18″ x 24″

45.7 cm x 61.0 cm

Up to 20 lbs.

Large quantities of grains, flour, emergency kits
20″ x 30″ 50.8 cm x 76.2 cm Up to 25 lbs.

Large bulk storage, industrial use, long-term food preservation

Why Choose Mylar Packaging Bags?

We all know that Mylar bags are made from a polyester film known for its excellent barrier properties.  Here are some reasons that may convince you that why should you choose these Ultimate packaging options


1. Moisture resistance:

Keeps contents dry and free from humidity. That’s why Kratom packaging is exclusively designed with Mylar stock.

2. Oxygen barrier:

the barriers present on the surface of Mylar prevent oxidation and spoilage. Exotic weed Packs are a real-world example

3. Light protection:

Mylar shields contents from UV light that can degrade products. For instance, Gummies Mylar Bags are capable of storing gummies for years without making them sticky.

4. Puncture resistance:

Durable and robust for secure storage. That’s why large-size Mylar Bags for capsules and Mylar Bags for powders are easily delivered and available in the retail market.

Different Thickness Levels of Mylar Packaging Bags

Mylar bags come in various thicknesses, typically measured in mils (thousandths of an inch) or microns (millionths of a meter). The thickness of the printed bags you choose depends on your specific needs, such as the type of content you are storing and the required level of protection. Here are the common thickness options for Custom printed Mylar bags:

Different-Thickness-Levels-Of-Mylar-Packaging Bags

Common Thickness of Mylar Bags Available in the Market is from 1 mil to 10 mil. However, you can easily pick any thickness level according to your product type and its weight.

How to Choose the Right Thickness

The selection of the right thickness level is based on three key factors:

  1. Content/product going to be packed inside
  2. Storage duration of the product
  3. Environment handling

Content/product going to be packed inside

The Mylar Bag thickness is decided according to the product that you are going to pack or deliver in these bags. Lightweight items can be easily managed by a thin bag of (1-2) mil. Whereas, stuff with medium weightage like food items than you need (3-5) mil bags. Similarly heavy products are preferably packed in (6-10) mil bags.

Storage duration of the product

The second important factor is important in the selection of the right thickness level of Mylar packaging bags wholesale. However, if you are dealing in short-term storage then a thin bag is enough. But if you want to store or preserve your freeze dried items for years then go for a thicker packaging bag.

You can also provide a Mylar bag food storage chart to your customers that may help them in the selection of the right thickness level for the products according to their food storage time.

Environment handling

Last but not least, you can choose the bag thickness according to public behavior and environmental handling. Like, a thinner bag is adequate in situations where they won’t be handled roughly.

Whereas to provide superior resistance to rips and tears, thicker bags are required if the objects being stored will be handled often or if the storage environment is less regulated.

In short

Selecting the appropriate thickness for your Mylar bags is crucial to provide sufficient protection for your belongings. The type of content, time of storage, and handling conditions may all be taken into account when choosing the perfect Mylar bag thickness for your particular needs.

Get Our Expert Assistance Today!

Ready to choose the perfect Mylar packaging bags for your needs? Visit Custom Packaging House today to explore our wide selection of sizes and thicknesses. Whether you need small bags for spices or large, durable bags for long-term food storage, we have the right solution for you.

We also deal in special and premium Cannabis Mylar Bags and Delta 8 Mylar Bags. You can make a call at 307 271 5170 or you can send an email to and get your INSTANT PRICE QUOTE now!

Avail our exclusive offer of a 30% discount on your bulk orders, so go and place your RUSH ORDER today!

Wrapping Up

Mylar packaging bags are an excellent choice for protecting a wide variety of items. However, by understanding the different sizes available and considering your specific needs, you can choose the perfect Mylar bag size for efficient and effective storage.

Frequently Asked Questions

Mylar packaging bags come in various sizes, ranging from small (3"x4") to extra-large (20"x30"), to accommodate different storage needs.

Consider the type and quantity of the item you are storing. Small items like spices need small bags, while bulkier items like grains and beans require larger bags.

Mylar bags typically come in thicknesses ranging from 1 mil (25.4 microns) to 10 mil (254 microns), with thicker bags providing more durability and protection.

Yes, the same-size Mylar bag can be used for both food and non-food items. However, ensure the thickness matches the level of protection needed for the specific item.

Yes, Mylar bags should be sealed using a heat sealer or a hot iron to ensure an airtight seal, preserving the contents' freshness and protection.

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