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MYB-04
Back-Seal Pouches
Back-seal Mylar pouches, also called center-seal or flow-wrap pouches, feature a long vertical seam on the back with top and bottom heat seals.A Personalized Packaging Experience Tailored to Your Needs
Material CompositionMade from Multi-layer laminated or co-extruded films | Outer & Inner LayerOuter layer PET or BOPP and PE / CPP as the inner layer. | Barrier layer (VMPET or AL)To prevent oxygen and light from contaminating the items. |
Printing OptionsReverse printing and over-lamination to protect artwork from abrasion | Digital/ RatrougravePrinted via rotogravure or digital technology up to 10 colors. | FinishesAvailable finishes include matte, gloss, metallic, or holographic |
Functional FeaturesVarious add ons and functional features for branding and support. | Add- OnsOptional easy-tear notches, euro holes, or hang tabs for display use. | AdhesivesCompatible with nitrogen flushing or cold-seal adhesives |
What Makes our Back-Seal Pouches The Best Choice
Our Mylar bags provide a high-barrier solution that locks in freshness and extends shelf life. Their multi-layer construction blocks oxygen, humidity, and UV light, keeping products intact. Designed for food, pharmaceuticals, coffee, and herbs, these bags are resealable, tamper-evident, and puncture-resistant
StructureCenter-Seal Flow-Wrap FormatFront and back films overlap and seal vertically along the pouch’s rear, with top and bottom closures for airtight packaging.
Construction TechniquesPrecision Lamination and Continuous SealingFilms are laminated, slit, and rolled for flow-wrap conversion. The back seam overlap (10–15 mm) ensures tension distribution and seal integrity during filling.
Design & BrandingPerformance-Driven EnhancementsAdd tear notches, euro holes, or cold-seal coatings for product protection. Combine matte and gloss finishes or apply foil stamping for enhanced shelf visibility.
Making Your Brand Unforgettable
Need Help Designing Your Mylar Bags?
We provide free in-house design support
Frequently Asked Questions
Get answers to common questions about custom rigid boxes, or visit our Help Centre for further information.Which materials are best for coffee or oily snacks?
Use PET / VMPET / PE or PET / AL / PE laminates in back seal pouches to achieve the strongest oxygen and oil barrier for aromatic or greasy products.
Are these pouches recyclable?
Recyclable options using mono-material PET / PE laminates are available on request, depending on local recycling standards.
Can I get custom shapes or Features
Yes. Easy-tear notches, hang holes, or laser score lines can be added for convenience and display presentation.
Can back-seal pouches be used with nitrogen flushing?
Yes. The center-seal structure supports nitrogen gas flushing, ideal for snacks and coffee that require oxygen-free packaging.
