Return width
Width of the double-wall return (crease to crease); accommodates flaps in the pocket.
Corrugated shipping boxes / JETDIELINE
Shipping box with tuck lid and dust flaps made from E flute or microflute. Inside printing, double walls and size series are part of the same construction.


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03 / BOX
Simplified display model without material thickness, not to scale.
The 3D view is not available in this browser. The image shows the folded shape.
corrugated.mailerThe base sits in the middle of the blank. Double side walls fold over and are held by locking tabs in the base; ears and dust flaps close side openings. A thumb cut-out eases access to the tuck lid.
Erect front and back walls and fold ears inward. Erect side walls over them, fold the return inward and insert tabs into the base slots. After filling, close the lid, fold in dust flaps and insert the tuck flap.
Grain direction vertical on the blank (check)
Test fit, folding and closure on a sample made from the intended material. Confirm material thickness, grain direction and production steps with your printer.
Inside dimension
These dimensions describe the preview, not a fixed packaging size. The app recalculates the dieline for your own dimensions.
Width of the double-wall return (crease to crease); accommodates flaps in the pocket.
Gap between adjacent flaps or walls; at least approximately material thickness.
Length of ears or corner flaps as a proportion of half the inside width.
Length of lid dust flaps as a proportion of inside height.
Bevel of dust flaps (also ears on mailers); larger angles prevent folding collisions.
The catalogue example names E flute or microflute. Starting profiles for B and C are also available. Selection depends on product and production. The profile is not calibrated. Check fit, locking and protection on the target material before approving the series.
Side walls fold inward and are held by tabs in the base. The ears sit within them. Multiple folds change available space and accumulate crease allowance. The preview shows this construction but confirms no load capacity; check that on a physical sample.
There is no universal value for every product. Measure product, insert and closure and consider the filling workflow. The material profile changes finished fit. A mathematically valid inside dimension is therefore insufficient. Determine clearance using a sample of the actual corrugated board.
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