Bag in Box — packaging format from CosunPack
CS-0214

Bag in Box

Bag in Box: Corrugated packaging sized around your product, packing method, and shipping conditions. Board grade, print, and assembly details are confirmed in your quotation.

Product Highlights

  • Dispensing bladder options reviewed against the product and shelf-life target
  • Dispensing tap matched to the bladder and product
  • Collapses flat as it empties—lighter freight than bottles
  • Outer box carries full-color print at retail or bulk grade
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Craftsmanship & Production

Production steps and quality checks for this packaging format, coordinated across our printing workshops and specialized production network.

Corrugated outer printed and die-cut in-house; specified film bladders are welded and leak-tested, then bag and tap are assembled into the box with a final drop and dispense check per batch.

Customization Options

Review the available options for Bag in Box with our team. These are the requirements to confirm:

  • Flute type (E / B / C / BC)
  • Dimensions & board grade
  • Flexo / offset-litho / digital print
  • Die-cut shapes & vents
  • Coating & varnish

Specification Planning — Bag in Box

Review these material and process options for the selected structure. Your quotation confirms the exact specification for your project.

MaterialE / B flute corrugated outer; PE/PA/alu-foil inner bag
StructureBag in Box
Size RangeDimensions or capacity confirmed against your product and selected tooling
ThicknessMaterial thickness or weight confirmed in the approved specification
PrintingFlexo (1–4 colors), offset-laminated, or digital
FinishingWater-based or UV varnish, laminated litho label
MOQQuoted per material, structure, print process, and order quantity
Sampling Lead TimeConfirmed after the artwork, structure, and tooling review
Production Lead TimeConfirmed after sample approval and production planning
Typical ApplicationsWine, sauces, syrups, beverage, liquid concentrates

Options shown for planning; final parameters are agreed in writing with your quotation and approved sample.

Before You Order

Bag in Box FAQ

Practical answers on choosing the structure, avoiding common problems, and confirming the right specification for your product.

Does the corrugated box provide the liquid barrier?

The box supports the liquid bag, while the bag and fitment provide the primary containment system. Specify liquid type, filling conditions and required shelf performance for those components separately. A box specification alone cannot establish compatibility, barrier performance or leak resistance.

Technical references
What tap information is needed to design the opening?

Provide the actual fitment dimensions, operating motion and preferred dispensing orientation. Sample the box with a filled bag and check tap access, retention and whether a cup fits beneath it. Do not size the opening solely from an unfilled bag drawing.

Technical references
How can the box avoid pinching the filled bag?

Review the filling and insertion sequence with the bag supplier, including where folds and fitments sit. Check internal cuts, flap edges and closure contact on filled samples. Evaluate handling for abrasion or trapped film before approving the complete bag-and-box arrangement.

Technical references
What should be tested before a bag-in-box launch?

Test the specified bag, tap and box together with the actual liquid or a justified representative fill. Check dispensing, leakage, handle use and the expected delivery route. Agree on acceptance criteria for both containment and box appearance before reviewing the trial results.

Technical references

Have a different application? Share your requirements for this model.

One Partner for Your Complete Packaging

Source packaging from China with one team, from product-led development to delivery. Share your product or idea, component list, quantity, and destination—we will help define the next steps.

Project-specific quotationNDA available before file sharingReply target: one business day