Well Appointed Desk Col-O-Ring

Each book contains:
2×4 with die cut rounded corners
100 sheets of 100lb/160gsm European acid-free bright, natural white paper
slightly toothy paper but not enough to catch even the sharpest dip nib
sturdy chipboard covers letterpress printed with a crisp application of “afterburner” black
handy split ring so pages can be removed, rearranged and reinserted as needed