printed binders duo boxes


Duo boxes

A duo box is a ring binder with an insert pocket. It serves a twin purpose:

  • for perforated documents: the rings bundle all your perforated sheets,
  • for documents without holes: an extra compartment stores non-perforated documents or notes, catalogues or product brochures.


Duo boxes can be ordered in different sizes

The duo box comes in different sizes:

  • a pocket measuring 15 mm, 30 mm, 45 mm or 60 mm is combined with
  • 2, 3 of 4 rings with filling heights
  • varying from 10 mm to a maximum thickness of 50 mm Discuss with us what the most suitable format of the duo box is for your application.

    duo box printed binders

    Why buy duo boxes from ducaju?

    check iconPossibilities = different formats, pockets and filling heights
    check iconPerfect finish = benefits your company’s or organisation’s image
    check iconNumbers = however many you want

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