Mylar bags are available in many different sizes, including 3×4 inches up to 20×30 inches. However, the right Mylar bag sizes depend on what you’re storing. Each dimension is usually matched to a specific weight or type of product.
Mylar bags are the most popular choice in the USA for long-term storage of food and other edible items such as cannabis and weeds. These bags are durable and protective to lock in freshness for a longer time. In this guide, we will walk you through the Mylar bag sizes and their thickness options to choose the right Mylar bags for your needs.
What are Mylar Bags?
Mylar bags are made from biaxially oriented polyethylene terephthalate (BoPET). It is a type of polyester film known for its strength and durability. This material makes the bags excellent barriers against moisture, oxygen, light, and odors, keeping products fresh for longer.
While they’re most popular for food, herbs, and cannabis, many businesses also use them for clothing, accessories, and gift packaging. They are available in various sizes to meet different storage needs. You need a basic understanding to choose the correct one for your products.
Standard Mylar Bag Size Charts in Inches and Centimeters
Here’s a simple Mylar bag size chart in inches and centimeters for quick reference.
| Size | Dimensions (Cm and Inches) | Used for |
| Small | 3 × 4 inches ( 7.62 × 10.16 cm) | Spices and Herbs |
| Medium | 5″ x 7″ (13 x 18 cm) | Snacks and Coffee |
| Large | 6″ x 9″ (15 x 23 cm) | Dry food and Supplements |
| Extra-Large | 8″ x 12″ (20 x 30 cm) | Pet Treats and Grains |
| Jumbo | 20’’ x 30’’ (50.8 x 76.2 cm) | Rice and Beans |
These are the reference sizes for you to choose from, but if you need other sizes, whether smaller or even larger, you can always get custom sizes in Mylar bags.
Most Popular and Hot Selling Mylar Bags in Various Sizes
| Mylar Bags | Inches | Centimeters |
| 3.5 gram | 3×4 or 3.5×5 inches | 7.6×10.1 cm |
| 8 oz | 5×8 inches | 12.7×20.3 cm |
| 1 lb | 10×14 inches | 25.4×35.5 cm |
| Quart | 7×10 inches | 17.7×25.4 cm |
This chart helps compare Mylar bag sizes in inches vs cm, making it easier to pick the right one depending on your packaging needs, which are most popular in the market.
Mylar Bag Sizes and Their Best Uses for Packaging
Mylar bags are available in a wide range of sizes. You can get any size of mylar bags for the safe storage of your branded product inside them. Some of the most common Mylar bag sizes include:
- 3.5 grams – 1 ounce are ideal for herbs, tea samples, stickers, and other small items.
- 8-ounce bags and quart bags are great for snacks, powders, and personal servings.
- 1 pound to 5 pounds are perfect for beans, rice, flour, and clothing packaging.
You can choose from any of these Mylar bag sizes, but size alone isn’t enough. The right dimensions help build trust with customers by ensuring products are safely and neatly packed.
However, if you also go for customization and colors, it becomes even more attractive to buyers. Mylar bags are available in shades like black, white, gray, pink, and blue, giving sellers the flexibility to align with their brand identity.
What Sizes Do Mylar Bags Come In?
Mylar bag sizes vary depending on the manufacturer. You can decide the size and dimensions of custom Mylar bags, but standard options include:
- Snack size – 2×3 inches up to 4×6 inches
- 3.5-gram mylar bags for weed are usually 3×4 or 3.5×5 inches
- Quart bags made of Mylar are 7×10 inches
- 1 pound mylar bags for candies are typically 10×14 inches
What Size Are 3.5 Mylar Bags?
The 3.5-gram Mylar bag size is one of the most popular in retail packaging. It is commonly used for cannabis, coffee samples, and small snacks. The actual dimensions vary slightly by supplier, usually 3×4 or 3.5×5 inches. These bags are perfect for displaying products in gift bags and for retail packs. With a zip-lock seal option, they keep contents fresh.
What Size Mylar Bag for 1 lb of Beans?
It is 10×14 inches. This size can comfortably hold 1 pound of beans, rice, or other dry goods with room to add an oxygen absorber. A Mylar bag sealer ensures your beans stay safe from moisture, pests, and light.
How Big is an 8 Ounce Bag?
An 8-ounce Mylar bag usually comes in at 5×8 inches, though the exact dimensions may vary slightly. These bags are perfect for items like:
- Coffee grounds
- Trail mix
- Protein powder
- Pet treats
They’re commonly sold in 20–50 count packs, making them a cost-effective choice for small businesses.
Mylar Bag Thickness Guide for Your Understanding
Besides size, the thickness of Mylar bags is just as important for strength and storage capacity. So, if you are a brand and just ready to place your order, here’s a quick reference. Standard options include 3.5 mil (101.6 microns) for lightweight bags. Medium thickness, around 5 mil (127 microns), is the most common choice for 1 lb and quart-size bags. For heavy-duty needs, 7–8 mil bags (177.8 microns) offer the best protection.
Benefits of Having Custom-Sized Mylar Bags for Businesses of All Sizes
Custom Mylar bags offer additional benefits:
- Branding flexibility by choosing unique colors with child-resistant locks
- Logo printing to add your brand identity and stand out.
- Custom sizes to fit odd-shaped items like clothing or larger gift bags.
- Always retail-ready, making them perfect for products sold in physical or online stores.
Custom sizes are especially popular with businesses that sell snacks, supplements, and specialty goods.
Get Customized Mylar Bags from Trusted Suppliers
If you want your brand to stand out, investing in custom Mylar bags is a smart move. But most importantly, you need to choose trusted packaging suppliers for Mylar bags. Many companies in the USA now provide quick turnaround times, so you can get them fast. Moreover, you have to choose the best materials, such as PET, that block oxygen and moisture.
Effective Tips for Storing Items with Mylar Bags
Once you’ve picked the right Mylar bag size, proper storage practices are key to keeping your items fresh. Just come in contact with your mylar bags supplier and make sure the following points are added. Such as:
- Always add oxygen absorbers that are measured in cc based on bag size and food type. It is done to protect against spoilage, mold, and insects.
- Seal the bags tightly using a heat sealer set to around 375–400°F, or with a household iron.
- Don’t forget to label each bag with its contents and packing date. This makes food rotation easier and helps track shelf life according to storage standards.
Steps to Choose the Right Size of Custom Mylar Bags for Your Products
The right Mylar bag size depends on what you’re storing. Always consider the quantity and type of items before deciding on the bag size. Here’s a quick guide:
- Herbs, stickers, small snacks → 3.5 gram or 4×6 bags
- Coffee, powders, clothing accessories → 8 oz or quart-size bags
- Beans, rice, flour, larger food storage → 1 lb bags or more sizes
Words to Conclude
Mylar bags remain one of the most reliable and affordable packaging solutions. You can get them in any size and dimension with customized options to impress your customers. Choose wisely to avoid wasting your money on the wrong sizes.
FAQS
Are Mylar bags measured in inches or cm?
Most charts list Mylar bag sizes in inches, but many suppliers also provide dimensions in cm for international customers.
Can I get custom Mylar bags?
Yes, you can order custom Mylar bags with options for stickers, logos, and different finishes. Contact us for more details.
How many Mylar bags should I buy?
That depends on your needs. Sample packs are available in under 20 count, while businesses often choose 50–100 count or over 200 count bulk packs.
Can Mylar bags be used for clothing or non-food items?
Absolutely. Mylar bags can be used for clothing packaging, gift bags, and packing other items.
Do I need a Mylar bag sealer to seal it?
Yes, a Mylar bag sealer is highly recommended to ensure airtight storage, especially for long-term food preservation.
