TRIFOLD EXPANDER UPGRADE

For those who carry more, the Expander Upgrade adds capacity with intention—without compromising the clean, structured design of your notebook.

Built directly into your notebook during production, this upgrade extends the interior and exterior flap to create additional space for inserts, journals, or loose pages. The result is a seamless expansion that maintains balance, form, and everyday usability.

Designed to integrate effortlessly with all Altered 71 trifold notebooks, the Expander Upgrade transforms your notebook into a more capable, versatile carry—without adding bulk or distraction.

Size Options

• Small — adds 2" (1" to interior + exterior flap)
  Ideal for Field Notes / B6 notebooks
• Medium — adds 4" (2" to interior + exterior flap)
  Ideal for A5 notebooks