The Pentel RSVP pen has a cap that can be removed.
The paper is 3-1/2" x 1" --wrap it around a
skewer to get it in a narrow roll and place inside.
Voila--a matched set!
This is a 5" x 8" junior size legal pad.
If anyone is interested in the directions, let me know and I
can dig up where I got them.
Have a great day!