Preview image
The real blank at this size, folded by the same engine as the studio. The artwork is a sample from a fictional brand — swap in your own in the editor.
Parametric structureMailer
C4 mailing bag dieline
240 × 320 mm bag for A4 documents and prints. A ready-sized preset of the poly mailer — change the length, width and height and every panel, tuck and glue flap is redrawn to match.
Inside240 × 320 mm
Outside240 × 320 mm
Flat blank240 × 680 mm
Download the dielinePro
Sign in to download. Dieline downloads are part of Pro: PDF, Illustrator, SVG and DXF, cut, crease and bleed on separate layers, without a watermark. See plans
- Reference
- —
- Inside size
- Width 240 · Length 320 mm
- Size range
- Width 100–600 · Length 120–800 mm
- Manufacturing
- 240 × 320 mm score to score · inside vs outside sizes
- Parts
- One blank
- Board area
- 0.163 m² · about 4 up on a 720 × 1020 mm sheet
- Default board
- White PET / PE laminate · 0.09 mm caliper
- Board options
- White PET/PEMet PET/PEKraft/PE
- Good for
The flat dieline
Exactly what the downloads contain, drawn from the template at its default size, with a 3 mm bleed. How to read a dieline.
- Crease
- Cut
- Bleed 3 mm
How the blank is sized
Score-to-score panel sizes at the default size, with the formula each one follows. L, W and H are the inside dimensions; T is the board caliper (0.09 mm for White PET / PE laminate). Change the size or board in the editor and every panel is recalculated.
| Panel | Size (mm) | Formula |
|---|---|---|
| Front | 240 × 320 | L × H |
| Flap | 240 × 40 | L × – |
| Back | 240 × 320 | L × H |
Adjustable in the editor
Beyond the size and board, this structure exposes 5 options; the template and 3D preview follow each change.
- Flapmm
- Side sealsmm
- Second adhesive strip for returnson / off
- Tear-open stripon / off
- Fill%
The poly mailer family
The same structure with sizes, boards and options set for a use.
Preset
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Similar structures
Other structures built in a similar way, matched on code family, category, closures and proportions.
Make this c4 mailing bag yours
Open it in the editor to set your size, drop artwork on each face, check bleed and safe areas, and export print-ready PDF with the dieline on its own layer — or stage it in a 3D scene for a mockup.