Film roll
Web width and unwind are specified for the line.
Back Seal Bags
A center back seal and two end seals suit compatible form-fill-seal lines. Film width, print repeat and seal performance are matched to equipment.
✓ Center back seal✓ Machine-ready dimensions✓ High-speed line compatibility✓ Custom print registration
Product specifications
Final values are confirmed from your product, filling method, target quantity and destination requirements.
SizeWeb width and cut length matched to former, product and machine.
CapacityDetermined from product dimensions, fill weight and machine cycle.
MaterialFilm stiffness, slip and seal-initiation behavior must match the equipment.
ThicknessSelected for machine runnability, seals, toughness and barrier.
PrintingRepeat length and eye marks are coordinated with machine registration.
Sealing & closureFin or lap seam and end seals are selected against jaw conditions, speed and contamination risk. Center back seal plus top and bottom transverse heat seals.
These are project directions rather than fixed universal parameters. The approved specification is confirmed before production.
Product details
Print registration
Eye marks and repeat support front-panel alignment.
End seals
Transverse seals close each filled pack.
Customization options
Material structure
Film stiffness, slip and seal-initiation behavior must match the equipment. Machine speed, jaw temperature and product residue can be as important as oxygen or moisture barrier. Final material selection should be trialed on the intended equipment.
Printing & finish
Repeat length and eye marks are coordinated with machine registration.
Closures & accessories
Center back seal plus top and bottom transverse heat seals. Tear notch or easy-open treatment may be reviewed for compatible lines.
Suitable applications
From brief to shipment
A concise route keeps the approved structure, artwork and checks aligned.
- Confirm the brief
Review the product, size, quantity, filling route and required shelf life.
- Approve the structure
Align material, artwork, closures and a suitable sample route.
- Produce and inspect
Convert the approved structure and check key dimensions, print and seals.
- Pack and prepare shipment
Count, protect and identify finished bags for the agreed delivery route.
Questions about back seal bags
What materials are available for back seal bags?
Film stiffness, slip and seal-initiation behavior must match the equipment.
Can I customize the size and thickness?
Web width and cut length matched to former, product and machine. Selected for machine runnability, seals, toughness and barrier.
What is the minimum order quantity?
MOQ is not yet confirmed as a fixed number. It depends on format, dimensions, material and print route; share your target quantity for a project-specific answer.
Can I receive samples before mass production?
A suitable sample route can be discussed after the size, material, artwork and functional features are defined. Sample timing is confirmed per project.
Do you need my packing-machine information?
Yes. Share machine type, former size, web width, unwind direction and print repeat requirements.
Can a back seal bag include a tear notch?
It may be possible if the machine and final cut position support the feature.
Tell us what you need to pack
Share your product, target size and quantity. We will review the structure and follow up with the next practical questions.
Prefer a direct message? Talk on WhatsApp.
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