- 1.25 in (32 mm) diameter
- Holds up to 175 sheets
- Enough discs for US Letter (Happy Planner Big)
Compatible with Levenger Circa, The Happy Planner, Office Depot/Office Max TUL, Stapes Arc, and Martha Stewart systems.
* Discs come in tubes, as pictured. Accessories (covers, inserts) are not included. Please see our selection of covers for discbound planners here.