- Custom mylar bags are multi-layer barrier pouches printed with your brand to protect snacks, coffee, supplements, pet treats and dry goods from air, moisture and light.
- Choose stand-up bottom-gusset bags for retail shelves or flat 3-side-seal pouches for single servings, samples and slim mailers.
- Minimums depend on the product and are confirmed with your quote; production takes 10-14 business days, with 4-5 day rush available.
- Design help, custom dielines, cutting dies, printing plates and shipping to all 50 US states are free, with a 3D mockup before payment.
Custom Mylar Bags
Custom mylar bags printed edge to edge with your logo and artwork in stand-up gusseted or flat heat-seal styles. Minimums depend on the product; we confirm yours with your quote. Made in 10-14 business days (rush in 4-5), with free design help, no die or plate charges, a digital proof and 3D mockup before payment, and free shipping to all 50 states.
What are custom mylar bags?
Custom mylar bags are multi-layer flexible barrier pouches laminated with metallized polyester (BoPET), foil or clear barrier film and printed edge to edge with your brand artwork. Unlike simple poly bags that let air and humidity pass through the wall, a barrier mylar pouch locks out moisture, oxygen and UV light while sealing in aroma and freshness. Brands use them to pack roasted coffee, loose-leaf tea, jerky, gummies, powdered supplements, bath salts, pet treats and small hardware or collectibles. You can order stand-up pouches with a bottom gusset that stands upright on store shelves, or flat 3-side-seal pouches for compact single servings and sample packs. At CubitPack, minimums depend on the product and are confirmed on your quote, with 10-14 business day production (4-5 days rush), free design help, no die or plate fees, free 50-state shipping, and a digital proof and 3D mockup before payment.
Mylar bags facts
- Minimum
- Confirmed with your quote
- Turnaround
- 10-14 business days
- Rush
- 4-5 days, quoted
- Bag styles
- Stand-up bottom gusset, flat 3-side seal, window, custom shape
- Printing
- Full color (CMYK), Pantone match guaranteed, white underbase
- Finishes
- Matte, gloss, soft-touch, spot UV, foil accents
- Features
- Zipper, tear notch, hang hole, window
- Food contact
- Food-safe materials on request, certified partner facility
- Shipping
- Free to all 50 states
Which custom mylar bag style should I choose?
| Bag style | How it sits | Best for | Typical closure |
|---|---|---|---|
| Stand-up mylar bag | Bottom W-gusset expands so the bag stands upright | Retail shelves, snacks, supplements, coffee, bath salts | Press-to-close zipper + top heat seal |
| Flat mylar pouch | Sealed on three sides with no bottom gusset | Sample sachets, single servings, flat mailers, jerky, seeds | Heat seal + tear notch (with or without zipper) |
| Mylar bag with window | Opaque or matte body with a clear front peek zone | Granola, dried fruit, candy, pasta, pet treats, bath soaks | Resealable zipper + tear notch |
| Zipper mylar pouch | Multi-use pouch engineered for repeated daily opening | Protein powders, vitamins, loose tea, travel kits | Heavy-duty press-to-close track |
| Child-resistant mylar bag | Specialized two-step closure for regulated adult goods | Products requiring pinch-and-slide or dual-track closures | Specialized CR zipper |
| Smell-proof barrier bag | High-barrier foil/metallized core that traps strong aromas | Roast coffee, spices, herbs, scented bath and botanical goods | Heat-sealable header + tight zipper track |
Not sure which style fits?
Request a Quote →What size custom mylar bag do I need?
Mylar bags are measured by outer Width (left to right) × Height (top to bottom, including the area above the zipper) × Bottom Gusset (how wide the base opens when filled). Because fluffy herbs or freeze-dried fruit take up far more room than dense bath salts of the same weight, always size by volume and test-fill before approving your proof. Whether you are comparing mylar pouches with logo, stand up mylar bags, flat heat seal mylar bags, custom barrier pouches or branded mylar bags, we size the template to your exact container.
| Bag size (W × H × Gusset) | Typical dry fill & uses | Popular style |
|---|---|---|
| 3 × 4.5 in (flat) | Single-serve sample, tea sachet, 3.5 g dried herbs, trading cards | Flat 3-side-seal pouch |
| 4 × 6 × 2 in | 1-2 oz gummies, trail mix, spice blends, travel bath salts | Stand-up or flat zipper pouch |
| 5 × 8 × 2.5 in | 4 oz snacks, jerky, loose-leaf tea, supplement chews, pet treats | Stand-up mylar with window |
| 6 × 9 × 3 in | 8 oz-12 oz coffee beans, granola, cookies, bath soak, superfood powder | Stand-up mylar bag |
| 8 × 11 × 4 in | 16 oz (1 lb) protein powder, bulk coffee roast, dry pet food | Stand-up barrier pouch |
| 10 × 14 × 5 in | 2-5 lb bulk ingredients, family-size snacks, agricultural seeds | Large stand-up mylar bag |
Have your inside dimensions ready? Request pricing across up to 3 quantities.
Request a Quote →How do I choose mylar bags?
- Pick stand-up vs flatChoose a bottom-gusset stand-up bag for retail shelves; choose a flat 3-side-seal pouch for slim mailers and small fills.
- Size by volume, not weightFour ounces of dried herbs takes twice the room of four ounces of bath salts; tell us what you pack and its fill volume.
- Leave zipper headspaceThe top 1.25 to 1.5 inches holds the tear notch, heat-seal strip and zipper track, so keep your fill line below the zipper.
- Choose barrier or windowUse opaque foil barrier for UV-sensitive powders and coffee; add a clear window knocked out of the white ink for snacks.
- Select the outer sheenMatte and soft-touch films give a modern look without glare, while gloss or metallic foil highlights make colors pop.
- Confirm food-contact needsIf your product touches food directly, note it on your quote so we assign the order to a certified partner facility.
What are mylar bags made of?
Which finishes can mylar bags have?
Which add-ons can I get?
Mylar bags specifications
| Spec | Options |
|---|---|
| Bag styles | Stand-up bottom-gusset mylar bag, flat 3-side-seal mylar pouch, window mylar bag, custom-shaped pouch |
| Barrier films & thickness | Multi-layer foil/metallized, polymer film or kraft barrier laminates matched to your product |
| Printing | Edge-to-edge full color (CMYK), Pantone color matching guaranteed, selective white ink underbase on metallic film |
| Surface finishes | Matte, gloss, soft-touch lamination, spot UV, metallic foil effects; holographic finish |
| Closures & features | Stand-up, flat-bottom or flat pouches custom made to your closure and display format |
| Heat sealing | Open top (or open bottom on request) ready for standard impulse or continuous band heat sealers |
| Dimensions | Custom Width × Height × Bottom Gusset in inches; smallest and largest bag size |
| Minimum order | Minimums depend on the product; we confirm yours with your quote; delivered within ±5% |
| Food contact & compliance | Food-safe materials on request, made in a certified partner facility; certificates and lab tests available on request |
| Proofs & samples | Free digital proof and 3D mockup before payment; $50 sample kit or paid printed sample credited to order |
| Turnaround & shipping | 10-14 business days (rush 4-5 days); free shipping to all 50 states, worldwide DDP available |
Ready to quote your mylar bags? Compare up to 3 quantities with a free 3D mockup.
Request a Quote →What do brands pack in custom mylar bags?
Whenever a product can go stale, clump from humidity or lose aroma under store lights, a multi-layer mylar pouch gives you rigid-jar barrier protection at a fraction of the shipping weight and storage space.
Mylar bags design ideas
Example designs with made-up brands. Your packaging is made to your design.
What are the most common custom mylar bag mistakes?
Flexible pouches behave differently from rigid cartons because the gusset expands as you fill the bag and the top header gets sealed shut. Avoid these five mistakes. When specifying wholesale mylar bags, bulk custom mylar bags, personalized mylar bags, custom size mylar bags and bath salts, clay masks mylar bags, avoid these common production mistakes
- Choosing a bag size by weight (like '8 oz') without checking bulk density: 8 oz of fluffy herbal tea needs a much larger pouch than 8 oz of bath salts.
- Placing logos or text in the top 1.5 inches of the pouch where the zipper track, tear notch and impulse heat seal sit.
- Forgetting to specify a white ink underbase on metallic or clear film, which makes normal CMYK colors look translucent and dark.
- Designing a clear front window on an aluminum-foil bag instead of choosing a high-barrier clear metallized-free film.
- Filling powders past the zipper track during pack-out, which coats the heat-seal zone in dust and prevents an airtight weld.
Chat with a designer now
Share your logo, a sketch or an AI image. We'll rebuild every element cleanly onto your bag dieline and send a 3D mockup, free.
Made your design with AI?
Generated a concept in Google Gemini, ChatGPT, Claude or Midjourney? Send us your AI image: we rebuild every element onto your bag dieline and show you a 3D mockup before you pay, free.Custom vs stock mylar bags: which is better?
| Stock (plain) | Custom from CubitPack | |
|---|---|---|
| Shelf appearance | Plain stock pouch with an applied front/back sticker that can peel at edges | Printed edge to edge across front, back and bottom gusset with zero label seams |
| Window & metallic effects | Fixed clear front or solid foil only | Knock out custom-shaped clear windows or metallic foil highlights anywhere on the bag |
| Size & proportion | Limited to 4 or 5 catalog sizes that may leave excess empty headspace | Made to your exact Width × Height × Gusset with no die or plate charges |
| Packing labor | Requires hand-applying or machine-running separate front and back labels | Arrives fully printed and ready to fill and heat-seal in one step |
| Proofing & color | Generic film shades | Guaranteed Pantone match, free design help, 2D proof and 3D mockup before payment |
Get custom mylar bags sized to your product, with a free 3D mockup before you pay.
Request a Quote →Are mylar bags safe and sustainable?
Food-safe materials on request
When your mylar bag holds food, drinks, supplements or pet treats, we produce it in a certified partner facility using food-safe inner seal layers. Certificates and lab test reports are shared on request.Specialized closures & state rules
Need child-resistant or aroma-trapping closures? Tell your account manager the exact state or category requirements on your quote so we match a tested partner closure.ISO 9001 partner production & quality guarantee
ISO 9001 production is available on request through partner facilities, and if any order arrives off-spec from your approved proof, report it within 14 days with photos for a reprint or refund.How do I order custom mylar bags?
Tell us what you need
Size, quantities or AI conceptCompare volume pricing
Dedicated account managerApprove your proof
Digital proof + 3D mockupMade and shipped
Free to all 50 statesHow much do custom mylar bags cost?
The price depends on four things, and every custom quote is free.
Width × height × gusset
Total square inches of multi-layer barrier film per pouch sets the base material costRun quantity & SKU count
Setup spreads across the run, so unit cost drops significantly as total quantity increasesStand-up vs flat construction
Flat 3-side-seal pouches use less film and fewer folding steps than bottom-gusset stand-up bagsFeatures & finishes
Resealable zippers, child-resistant closures, soft-touch film and spot UV affect the quoteLaunching multiple flavors at once? Keep the exact same width, height and gusset across every SKU and group them in one quote. You pay no die or plate fees, get 10% off your first order, and we beat any written US competitor quote for the same specs. Buyers ordering stand-up mylar bag mylar bags can compare up to three quantities in one quote.
10% off your first order.
Request a Quote →What do I need to send for a quote?
- The product and how many you need
- The inside size, or what goes in it
- A style, or ask us to suggest one
- Your logo or artwork (an AI image is fine)
- Pantone codes, if you have them
- Delivery ZIP code and the date you need it
Can I see a sample first?
Sample kit
Board and finish swatches, sample boxes, labels and bags. Credited to your first order.Digital proof + 3D mockup
See it before you payPrinted sample
Of your own designHow does shipping work?
- Free shipping to all 50 states
- Worldwide with DDP prices: duties and taxes included
- Blind and split shipping
- Damaged in transit? We reprint the damaged units free
Why brands choose CubitPack
Dedicated specialist
One account manager from quote to deliveryPantone guaranteed
Clearly off? We reprintReprint or refund
If we get it wrong, you chooseBBB accredited
A US business you can checkMylar bags questions
What is the minimum order quantity for custom mylar bags?
Minimums depend on the product and bag style, so we confirm yours with your quote. Small trial runs are considered case by case, and you can compare up to three quantities in Step 1 of the quote form.
How do I know what size mylar bag fits 1 oz, 4 oz, 8 oz or 1 lb?
Dry weight in ounces does not map to a single bag size because density varies: 4 oz of freeze-dried fruit takes over twice the volume of 4 oz of bath salts or gummies. Use our size chart as a benchmark or order our $50 sample kit to test-fill real pouches.
Are custom mylar bags measured by outside or inside dimensions?
Flexible bags are measured by outside dimensions: Width × Height × Bottom Gusset. Side heat seals take up about ¼ to ⅜ inch per side, and the top zipper and heat-seal header take up the top 1.25 to 1.5 inches of height.
Can I heat-seal custom mylar bags above the resealable zipper?
Yes. Standard zipper bags arrive open at the top with a sealable header above the zipper track and tear notches on both sides. After filling through the top, run an impulse or band sealer across the header for a tamper-evident seal.
Are your custom mylar bags safe for direct food contact?
Food-safe materials are available on request. When your pouch holds food, coffee, tea, supplements or pet treats, we produce the order in a certified partner facility with food-contact inner layers, and share certificates and lab tests on request.
Can I add a clear window to a metallic or matte mylar bag?
Yes. On clear high-barrier film, we print an opaque white ink underbase and full-color artwork everywhere except your window shape, leaving a clear peek zone in any outline you want at no extra die cost.
How do you create metallic gold or colored sheen on a mylar bag?
When printing on metallized barrier film, we lay down an opaque white ink base under solid colors and leave white ink out where you want metallic sheen. Printing yellow or magenta over bare metallized film creates metallic gold or rose gold.
Do you offer child-resistant or smell-proof mylar bags?
Yes, we have dedicated pages for both child-resistant mylar bags and smell-proof mylar bags. Tell your account manager which state rules or barrier needs apply on your quote.
How long does it take to produce and ship custom mylar bags?
Standard production takes 10-14 business days after you approve your proof and complete payment. Rush production in 4-5 business days is available for an extra cost quoted per order. Standard US shipping is free, and worldwide DDP is available.
Can I see a proof or printed sample of my mylar bag before the full run?
Every order includes a free 2D digital proof and 3D mockup before payment. You can also order our $50 sample kit or a paid printed sample of your custom bag, both credited toward your full order.
Still have a question? Ask a packaging specialist.
Request a Quote →Mylar bags terms, explained
- Bottom gusset
- The W-shaped fold at the base of a stand-up pouch that expands flat so the bag stands upright when filled
- Tear notch
- Small V-cuts on the left and right edges above the zipper that let customers rip off the top heat seal cleanly
- White underbase
- An opaque layer of white ink printed over metallic or clear film so colors on top look solid instead of translucent
- 3-side-seal pouch
- A flat bag sealed along the left, right and bottom edges with no gusset, ideal for samples and single servings
- Headspace (header)
- The top 1.25 to 1.5 inches of a pouch that holds the zipper track, tear notches and impulse heat-seal seam
- BoPET (Mylar)
- Biaxially-oriented polyethylene terephthalate barrier film prized for tensile strength and low gas permeability
More for your food packaging
Learn more
Get your mylar bags price
One dedicated account manager prepares pricing across up to 3 quantities.
- Free design & AI-to-print studio + 3D mockup
- No die or plate charges · 4–5 day rush available
- Free shipping to all 50 states
- 10% off your first order
- Reprint or refund if we get it wrong
Every CubitPack fact on this page comes from our confirmed offers (10-14 business day turnaround, 4-5 day rush, free design help, no die or plate charges, free 50-state shipping and food-safe partner production on request) and was checked by a packaging specialist. Pouch measurement rules reflect standard outer W × H × Gusset conventions with header and side-seal allowances. Spot something wrong? Tell us and we will fix it. Tell us if something looks wrong.
Sources
- All CubitPack turnaround specs (10-14 business days, rush 4-5), quote-confirmed minimum, free design help, no die or plate charges, free US shipping, Pantone guarantee and food-safe partner production
- Food-contact flexible barrier packaging context
- Flexible pouch seal seam and barrier property context
What changed
- October 22, 2026: First published.
- October 22, 2026: Updated specifications, terminology, and verified source links.