Made of the same material of Col-o-ring ink testing books, Col-o-dex are designed to fit in a standard rotary file like a Rolodex.
Features:
- 100 sheets of 100lb / 160 gsm white, acid free paper with slight tooth.
- Inks will not feather or bleed
- Suitable for fountain pen, dip pen, cotton swabs..
Size: 4 in. x 2.6 in.
Made in USA.