Custom Heat Seal Mylar Bags
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Custom Heat Seal 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!
$0.33
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.
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 |
Custom heat seal mylar bags use a heat-sealed top instead of a zipper to create an airtight, tamper-evident barrier for coffee, snacks, spices, CBD, and other moisture- or oxygen-sensitive products. Crat Packaging manufactures every mylar bag from scratch at our own US facility, so food brands, CBD companies, and medical product sellers get a true barrier bag, not an imported stock pouch, at low minimum order quantities.
Key Features
- Multi-layer PET/foil laminate that blocks light, oxygen, and moisture
- Heat-sealed top seam for a tamper-evident, airtight closure
- Matte, gloss, or holographic finish options on the outer film
- Full CMYK printing edge-to-edge, including reverse-printed graphics
- Optional tear notches, hang holes, and degassing valves for coffee
- Stand-up or flat pouch structures in multiple sizes
- FDA-compliant food-safe material available
- No plate or setup charges, with free design support
Specifications
| Bag Style | Flat heat seal pouch, stand-up heat seal pouch (compare our custom Mylar bags) |
| Sizes Available | Custom-cut, from 2×3 inch sample bags to 12×16 inch bulk bags |
| Material | PET/foil/PE laminate, 3-5 mil thickness |
| Printing | Full-color CMYK, Pantone matching, matte or gloss finish |
| Finishing | Matte, gloss, holographic, soft-touch |
| Add-Ons | Tear notch, hang hole, degassing valve, resealable strip on request |
| Minimum Order | 100 units |
| Turnaround | 10-15 business days; expedited 8 business days |
| Setup / Plate / Die Charges | Free |
Customization Options
Sizes
Bags are cut to your exact product volume, from single-serve samples to bulk 5 lb formats.
Materials
Our PET/foil laminate blocks light, oxygen, and moisture for shelf-stable freshness.
Printing & Finishes
Full-bleed CMYK printing with matte, gloss, or holographic film options.
Add-Ons
Degassing valves for coffee, tear notches for easy opening, and hang holes for peg-hook retail display.
Industries & Use Cases
These barrier bags are widely used by coffee roasters and food brands, CBD and hemp companies, medical and supplement sellers, and spice or dry-goods packers who need an airtight barrier without a zipper.
How to Order
- Request a free quote with size, film, and quantity
- Free design support finalizes your artwork and dieline
- Approve a proof
- Production runs (10-15 business days, or 8 business days expedited)
- Bags ship ready to fill and heat-seal
Why Wholesale Buyers Choose Crat Packaging
Every mylar bag, including heat seal styles, is made from scratch at Crat Packaging’s own US facility (15500 Voss Road, Suite 206, Sugar Land, TX 77498). There are no setup or plate charges, design help is free, and the minimum order is 100 units. Bulk pricing starts around $0.75 per unit, depending on size, material, and finish, with 10-15 business days standard turnaround.
Buying Guide: Choosing the Right Custom Heat Seal Mylar Bags
When sourcing custom heat seal mylar bags, wholesale buyers should weigh three factors: material weight, finishing, and minimum order quantity. A heavier board stock protects the product better in transit but adds cost, so match the board grade to how the box will be shipped and handled. Finishing options like lamination, foil stamping, and spot UV affect both shelf appeal and unit price, so it’s worth reviewing samples before committing to a full production run. Comparing minimum order quantities across suppliers matters too — a low MOQ lets a growing brand test the market without tying up capital in excess inventory, while a higher MOQ can bring the per-unit cost down for an established seller ordering at volume.
Lead time is the other variable worth confirming up front. Ask any supplier for their standard and expedited turnaround before placing an order, and build in extra time around seasonal peaks. It also helps to request a physical sample or a digital proof before a full production run, so colors, board weight, and finishing match expectations exactly. Crat Packaging works with both new and established wholesale buyers, adjusting quantity, material, and finish to fit the budget and timeline at hand, with a US-based production team on hand to answer questions throughout the process.
Packaging plays a direct role in unboxing experience and repeat purchase, especially for products bought as gifts or shipped direct to consumers. A well-fitted box reduces in-transit damage, keeps return rates down, and gives a small or growing brand the same shelf-ready look as a much larger competitor, all without paying retail packaging prices. Crat Packaging’s production team reviews structural files before printing begins, catching sizing or dieline issues early so the first production run is also the final one.
Frequently Asked Questions
What is a heat seal mylar bag?
It’s a mylar pouch sealed shut with heat instead of a zipper track, creating a stronger, more airtight and tamper-evident barrier for freshness-sensitive products.
What is the minimum order?
The minimum order is 100 units.
Are these bags food safe?
Yes, we offer FDA-compliant, food-grade film for coffee, snacks, and other consumable products.
Can I add a degassing valve for coffee?
Yes, one-way degassing valves are available for roasted coffee and other products that release gas after packing.
How long does production take?
Standard turnaround is 10-15 business days, with an 8 business days expedited option.
Get an airtight, custom-branded barrier bag for your product. Request a free quote from Crat Packaging today.
