Custom Mailers with Lock Design Dieline

Dieline/Template of a type of mailer box with lock
Mockup of a type of mailer box, with a lock
Instruction of a type of mailer box, with a lock

You will get:

  • HD deline in DXF format, which can be printed freely and further edited with Adobe Illustrator or CAD.

Why cefBox?

  • Make your professional dielines in seconds.
  • All dielines are customizable online.
  • All templates are designed and re-examined by experts and are print ready.
  • Unlimited amounts of dieline customization and downloads.
  • Friendly Customer Service Support.
  • It's Free for downloading!


This type of mailer box features a slot built on the joint connecting the tuck end and the lid of the box and a corresponding plug built on the front side of the box' s body to lock the box firmly.
Output Size Mode
Custom Size
Material Thickness
E-flute paper
Download Formats

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