Compatible with both size Traveler's Notebooks and many other journals.  Clips onto the cover of your favourite notebook.  Compatible with pens 12mm in diameter or smaller.

• Metal clip with Black Leather pen loop holder H 1"x W 2.5" x D 0.04"
• H 2"x W 4.7" x D 0.04" (Package)
• Traveler's Company Item # 14298 (016)

Item number 14298 is a black pen holder (Accessory #016) that fits the cover of both the Regular and Passport size Traveler's Company notebooks. 

The pen holder clips onto the leather cover and has a leather loop that can hold pens with a maximum diameter of 12mm. It is an accessory, not a notebook insert itself. 

The two main sizes of Traveler's Company notebooks are:
Regular Size (approx. 22 cm x 12 cm or 8.7 in x 4.7 in)
Passport Size (approx. 13.5 cm x 10 cm or 5.3 in x 3.9 in)

You can use the 14298 pen holder with either of these sizes.