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HomeCustom Mylar BagsBiodegradable Mylar Bags

Biodegradable Mylar Bags.

Certification over adjective — compostable means tested, biodegradable often means nothing.

🏷 Key Specs
📦 500 min. order 15–20 business days lead time📐 Standard sizes
✨ Finishes
MatteGlossMetallic
▤ Materials
Mylar (BoPET)LDPE Inner LayerKraft PaperZip-Lock Seal
☑ Features
Resealable zipperTear notchFood-grade materialFree design help
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01
§ 01
500+
Brands Served
02
§ 02
15–20 business days
Day Standard Lead
03
§ 03
Free
Design Support
04
§ 04
Width × length, by fill
Size & Dimensions
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§ 05
USA Wide
Free Delivery
The Atelier Book

The full specification book.

Six chapters. Six colours. Click a tab to turn the page.

Description
Overview

Biodegradable Mylar Bags

Certification over adjective — compostable means tested, biodegradable often means nothing.

The claim decides the specification here, not the other way round. Compostable structures hold less oxygen out than conventional laminates, so shelf life is set against that honestly.

500
Min. order
15–20 business days
Lead time
Width × length, by fill
Dimensions
Biodegradable Mylar Bags
Matte · Gloss · Metallic
Crafted to specification

Every detail. Intentional.

Certified to a standard

ASTM D6400 or EN 13432, named on pack.

Industrial or home

Most need commercial facilities most people lack.

Barrier is the trade

Shorter shelf life than a conventional laminate.

Say which, and where

A claim without the disposal route is incomplete.

Inks match the chemistry

Water-based and soy keep the claim coherent.

Test the shelf life

Against the actual structure, not the old one.

brand
No. 04 — Construction detail
Technical Specs

Built like architecture.

Each Biodegradable Mylar Bags is an engineered object — measured, dieline-cut, and hand-wrapped to spec. Below: the standard build sheet.

Industrial Compostable
EN 13432 / ASTM D6400
Needs a commercial facility
Home Compostable
Separately certified
Harder to achieve
Barrier
Lower than metallised or foil
The real trade-off
Best For
Dry, fast-moving product
Short shelf life
Difficult For
Coffee, nuts, oils, long date
Barrier gap shows
Cost
Higher per unit
Film and line speed
Alternative Route
Mono-material recyclable PE
Better barrier
MOQ
500 units
Tiered above 1,000

✦ Need a custom spec? Talk to our atelier — every detail is negotiable.

The Library

Every surface, hand-selected.

What this product is built from, and the surfaces it takes. Below the build sheet, the full swatch library — every option applies across our range, and a physical swatch set is available on request.

Material
PLA Film
Plant-derived polymer, industrially compostable. Clear, and the most common compostable film.
Most specified
Kraft + Compostable Liner
Paper outer with a certified compostable inner. Natural look and the whole pack composts.
Popular pairing
Cellulose Film
Wood-pulp derived, and one of the few films certified home compostable.
Home compostable
Metallised Compostable
Compostable film with a metallised layer for improved barrier — narrows the gap without closing it.
Better barrier
Mono-Material PE
Not compostable, but recyclable in PE streams with barrier much closer to a conventional laminate.
Different route
Finish
Kraft Outer
Natural paper face. The look most compostable ranges use, and it signals the material choice.
Most common
Matte Lamination
Compostable matte film where a cleaner, more premium surface is wanted.
Premium tier
Compostable Inks
Ink systems certified alongside the film — an uncertified ink can invalidate the pack claim.
Required for claim
Clear Compostable Window
PLA or cellulose window panel that composts with the rest of the bag.
Product visibility
Uncoated Natural
No lamination at all. Lowest barrier and the most obviously natural.
Short shelf life
Certification Marks
Seedling, OK Compost and similar marks printed on pack.
Consumer clarity
01 · Base Stock

Material

The board and paper your box is built from.

FINISH
Clear PETPE Film
FINISH
White PETPE Film
FINISH
Metallized PET Film
FINISH
Kraft Foil Laminate
FINISH
Aluminium Foil Laminate
FINISH
BOPPPE Film
FINISH
Recyclable Mono PE Film
FINISH
PCR Film
FINISH
High Barrier Film
FINISH
Puncture Resistant Film
FINISH
Freezer Safe Film
FINISH
Retort Film
02 · Surface

Finishes

How the outer surface looks, feels, and catches light.

FINISH
Matte Finish
FINISH
Gloss Finish
FINISH
Soft Touch Matte
FINISH
Metallized Finish
FINISH
Holographic Film
FINISH
Registered Spot Gloss
FINISH
Spot Matte
FINISH
Tactile Varnish
FINISH
Pearlescent Effect
FINISH
White Ink Printing
FINISH
Transparent Window
FINISH
Frosted Window
03 · Extras

Add-ons

Closures, linings, and hardware that complete the build.

FINISH
Child Resistant Zipper
FINISH
Press to Close Zipper
FINISH
Slider Zipper
FINISH
Tear Notch
FINISH
Laser Score
FINISH
Spout and Cap
FINISH
Degassing Valve
FINISH
Round Hang Hole
FINISH
Euro Hang Hole
FINISH
Carry Handle
FINISH
Rounded Corners
FINISH
Bottom Gusset
FINISH
Side Gussets
FINISH
K Seal Bottom
FINISH
Plow Bottom
FINISH
Tamper Evident Seal
Mylar (BoPET)LDPE Inner LayerKraft PaperZip-Lock SealMatteGlossMetallic

✦ Mix and match across all three — we'll build your exact combination.

What We Make

The full kit of capabilities.

Certified Compostable Film
EN 13432 or ASTM D6400 structures with documentation.
Home Compostable Options
Cellulose-based films certified for garden composting.
Compostable Inks & Adhesives
Certified throughout — an uncertified component invalidates the claim.
Kraft + Compostable Liner
Paper outer with a certified inner layer.
Compostable Zipper
Resealable closure in a compostable polymer.
Compostable Window
PLA or cellulose panel that breaks down with the bag.
Certification Documentation
Paperwork supplied so your claim is defensible.
Mono-Material Recyclable
The alternative route where barrier matters more than compostability.
Foil-Equivalent Barrier
No compostable structure matches a foil laminate. If your product needs that barrier, compostable is the wrong specification and we will say so.
"Biodegradable" as a Claim
We do not recommend it. It is vague, increasingly regulated, and certified compostable is the defensible term.
Heat SealZip-Lock ClosureCustom PrintSmell-ProofTear NotchCMYK Printing
Measure Twice

Sizing & dieline.

Every Biodegradable Mylar Bags is made to your fill, not pulled off a shelf. A pouch is quoted width × length, plus the gusset that lets it stand — tell us what goes inside and how much of it, and we return a measured spec, free, before you commit to anything.

Size Range
Width × length, by fill
Custom dieline
Stock Dimensions
Common: 4 × 6 in · 5 × 8 in + 3 in gusset
W × L + gusset
Print Layout
Flat bag template, free with every quote
AI / PDF
Artwork Setup
Free structural design
Included
Tolerance
±2 mm on bag width
Industry standard
How to measure
01
Start with the fill

A pouch is sized by what goes in it, not by outside dimensions. Give us the fill weight and, if you can, the bulk — 500 g of granola needs far more bag than 500 g of powder.

02
Width and length

We quote width × length, then the bottom gusset depth that sets the footprint. Three figures, and the gusset is the one most often left off.

03
Say what it must do

Zipper or heat seal only, valve or no valve, window or full barrier. These change the film and the bag height, so they belong in the spec rather than added afterwards.

Available constructions
Stand-UpFlat PouchCompostableKraft OuterZiplock

✦ Not sure of your size? Send us the product — we measure it and build the dieline.

What It Costs

Pricing & minimums.

Biodegradable Mylar Bags is priced per specification rather than from a fixed list — the same box in two different finishes can land at very different numbers. Below is what actually moves the price, so you can shape the spec before you request a quote.

Minimum Order
500 units
Lower MOQ on request
Maximum Run
100,000 units
Larger volumes quoted
Standard Lead Time
15–20 business days
After artwork approval
Rush Lead Time
10–12 days
Surcharge applies
Pricing Model
Quote-based, per specification
USD
Design & Dieline
Free — included in every quote
No setup fee
Sampling
Physical sample before bulk
Credited on order
What moves the price
Quantity

The single biggest lever. Unit cost falls sharply as volume rises, because setup and tooling spread across more pieces.

Material and thickness

Board weight and stock choice change both the raw material cost and the shipping weight of the finished run.

Finishing

Foil, spot UV, embossing and soft-touch each add a pass on press. One or two lift the box; five compound the cost.

Print coverage

Full-bleed print inside and out costs more than a one-sided design on natural stock.

Inserts and hardware

Foam, moulded pulp, velvet pillows, magnets and ribbon are priced per piece on top of the box itself.

Timeline

Standard production is the base rate. Rush moves you up the production queue and carries a surcharge.

✦ Quotes returned within 24 hours — no obligation, no account required.

Client Voices

What brands say.

The best packaging partner we've ever worked with. Every box feels like an event.
Sarah M.
Head of Brand · Luxe Cosmetics
Our unboxing experience went from forgettable to remarkable. The magnetic close is chef's kiss.
James L.
Founder · Apex Spirits
Fast turnaround, flawless quality, and the design support is genuinely exceptional.
Priya K.
Creative Director · Kalon Jewelry
— Frequently Asked Questions —

Questions, answered.

Everything you need to know about Biodegradable Mylar Bags.

Mylar (BoPET) film provides oxygen, moisture, and UV barrier performance significantly superior to standard poly bags. The multi-layer construction combines different film types for optimal barrier balance. For products where shelf life and potency preservation are critical — specialty food, cannabis, supplements, botanicals — the performance difference between mylar and standard packaging is directly measurable in product quality over time.
Heat sealing creates an airtight, permanent seal across the bag opening. Impulse heat sealers are the standard for small-to-mid volume operations. For maximum shelf life on dry products, combining heat sealing with oxygen absorbers removes residual oxygen inside the bag. Resealable zipper versions use press-to-close mechanisms for products used across multiple sessions.
Yes — food-contact mylar films meet FDA food contact material standards. Inks used in food-compliant mylar printing are food-safe. For products where food safety documentation is required by retail buyers or regulatory compliance, PackTist can provide food contact compliance certifications for the materials used.
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