Heat Sealing Mylar Bags
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Heat Sealing Mylar Bags deliver reliable freshness protection with a professional finish your customers will notice. Choose your size, thickness, and printing options with no minimum hassle. Request a free sample and see the quality for yourself!
$0.32
UNLIMITED CUSTOMIZATION OPTIONS

A printing technique employing a plate to transfer designs onto paper. Ideal for extensive print jobs.

Plate-free digital printing transfers designs electronically, cost-effective for short runs.

Screen printing is a method using a mesh screen and stencil to transfer ink onto a substrate.

Quick-drying printing technique utilizing ultraviolet lights for ink curing, yielding a glossy finish.

Consisting of water-based pigments, Ensures top-notch color output with a 100% eco-friendly profile.

Fluorescent inks are vibrant, UV-reactive pigments that emit vivid colors under ultraviolet light.

Generate pure colors using specific ink formulas to consistently & precisely reproduce color in printing.

Produce metallic colors through precise ink formulations to replicate color in printing.

Premium bleached white paperboard, specially coated on one side to enhance printing & finishing.

Bleached white paperboard, coated on both sides to achieve superior printing quality and finishes.

Top-notch textured paper, perfect for adding a touch of style when wrapping up durable boxes.

A unique paper material showcasing a shiny or matte metallic laminated surface.

Bleached kraft paper crafted from a blend of new and recycled pulp, coated on both sides for optimal printing.

Kraft paper produced from a combination of new and recycled paper pulp, with coating on both sides for printing purposes.

Kraft paper dyed black, manufactured from a blend of new and recycled pulp, and coated on both sides for printing applications.

Crafted from recycled grey chipboard cardboard, also known as uncoated recycled paperboard, ideal for luxury rigid boxes.

Unique paper material showcasing a holographic laminated surface in either glossy or matte finish.

Grey chipboard, one-sided white cardboard with a smooth, printable surface, ideal for luxury rigid boxes.

Gloss lamination enhances visual appeal by applying a shiny finish, and protecting printed materials.

Matte lamination offers a non-reflective finish, providing elegant appearance to printed materials.

Made with a smooth lamination that feels like touching a peach, can choose between a satin or matte.

A UV coating is applied to a specific area and then cured using ultraviolet light to make it sturdy.

A transparent coating is applied using the CMYK printing technique, and it comes in gloss, satin, or matte.

A fast-drying coating that undergoes curing through ultraviolet light is offered in both gloss and matte.

In a printing method, dies are pressed onto the back of the material to create a raised motif.

A printing technique that involves pressing dies onto the front of the material to create a raised motif.

In foil relief printing, foil is transferred at high temperatures, often employing multiple colors.

Craft a die-cut shape with a plastic film layer, revealing a window to showcase the product inside.
Get a free quote for any custom box right now, no matter how challenging.
We recommend the ideal material and add-ons like lamination, foiling, embossing UV, etc.
Get Free Design Support with your box 3d Renders or Send Your Design File for Printing.
Upon design approval, we’ll print and conduct quality checks before shipping the boxes to you.
Technical Specifications
| Dimensions | Available in Custom Sizes |
| Printing | CMYK, Pantone Color, Full Color & No Printing |
| Material | Food-Grade Mylar, Aluminum Foil Laminate, Kraft Mylar & Clear Mylar |
| Finish | Matte, Glossy & Metallic Finish |
| Features | Heat Sealing, Resealable Zipper, Tear Notch, Hang Hole |
| Custom Options | Clear Window, Child-Resistant Zipper, Custom Printing, Matte/Gloss Coating |
| Proof | Digital Proof, 3D Mock-Up |
| Shipping | Shipped FLAT (Free Shipping Across USA & Canada) |
| Help | For further inquiries and Quotes, contact us or email at sales@cratpackaging.com |
Heat sealing mylar bags give food, CBD, and medical brands an airtight, high-barrier package that closes with a clean, tamper-evident heat seal. Built from a multi-layer PET/foil/PE laminate, they block light, oxygen, and moisture to protect freshness and extend shelf life. Crat Packaging manufactures every mylar bag from scratch at our own US facility, with low MOQs and free design support for brands of any size.
Key Features of Our Heat Sealing Mylar Bags
- High-barrier PET/foil laminate — blocks light, oxygen, and moisture for long-term freshness.
- Clean, reliable heat seal — seals evenly on standard impulse and continuous band sealers.
- Smell-proof construction — multi-layer barrier locks in aroma, ideal for food and CBD products.
- Child-resistant and tamper-evident options — for regulated CBD and supplement products.
- Resealable zipper add-on — combine a zip-top with a factory heat seal for repeat use after opening.
- Custom sizes from 3.5g to bulk formats — flat, side-gusset, or stand-up pouches.
- Full-color printing — CMYK and PMS-matched brand graphics printed on the foil surface.
- Free setup, plates, and dies — no tooling charges on any order size.
Specifications
| Attribute | Options |
|---|---|
| Bag Style | Flat pouch, side-gusset pouch, stand-up pouch |
| Dimensions | Custom sizes from 3.5g sample bags to bulk 5-gallon formats |
| Material | PET / aluminum foil / PE laminate (mylar) |
| Thickness | 3 mil–10 mil |
| Printing | Full-color CMYK, Pantone (PMS) matching, rotogravure |
| Finishing | Matte or gloss finish |
| Add-ons | Resealable zipper, tear notch, degassing valve, hang hole |
| Minimum Order | 100 units |
| Turnaround | 10–15 business days standard; 8 business days expedited |
| Setup / Plate / Die Charges | Free |
Customization Options
Sizes
From small 3.5g sample bags up to bulk 5-gallon long-term storage formats, every bag is die-cut and sealed to your exact dimensions.
Materials
Our mylar laminate combines PET, aluminum foil, and PE in thicknesses from 3 to 10 mil, balancing barrier strength with flexibility for filling and sealing.
Printing & Finishes
Full CMYK or Pantone-matched printing carries your logo and compliance labeling on a matte or gloss finish.
Add-Ons
Add a resealable zipper for repeat use, a tear notch for easy opening, or a degassing valve for products that release gas after packaging.
Industries & Use Cases
Heat sealing mylar bags are used by food brands and food chains, CBD companies, medical and nutraceutical brands, coffee roasters, and long-term food storage suppliers who need an airtight, tamper-evident seal.
How to Order
- Request a free quote with your bag size, thickness, and artwork.
- Our team provides free structural and print-ready proofs.
- Approve the proof before production begins.
- Bags are produced at our US facility — 10–15 business days standard, 8 days expedited.
- Your order ships direct to your warehouse or fulfillment center.
Why Wholesale Buyers Choose Crat Packaging
Every mylar bag is made from scratch at our own US production facility. There are no setup, plate, or die charges, design support is free, and MOQs start at just 100 units. Bulk pricing starts from around $0.75 per unit, depending on size, material, quantity, and finishing.
Frequently Asked Questions
What are heat sealing mylar bags used for?
They’re used to package food, CBD, and medical products that need an airtight, smell-proof, tamper-evident seal for freshness and shelf life.
Can I get a resealable zipper on a heat-sealed bag?
Yes, we combine a factory heat seal with a resealable zipper so the bag can be reopened and reclosed after the seal is broken.
What’s the minimum order quantity?
Our MOQ for mylar bags is 100 units, making custom printed packaging accessible for smaller brands.
Are these bags smell-proof?
Yes, the multi-layer PET/foil laminate creates a barrier that locks in aroma, which is why they’re widely used for CBD and food products.
Can I get child-resistant packaging?
Yes, child-resistant and tamper-evident closure options are available for CBD and regulated products.
How long does production take?
Standard turnaround is 10–15 business days after proof approval, with 8-business-day expedited production available.
Ready to package your product with an airtight heat seal? Get a free quote from Crat Packaging today.



