System planner refill M5 size / Reading log refill

**Refill for mini 5-hole system organizer** **Reading Log Refill** ======== Refill size: 105 mm (length) x 61 mm (width) ・ 1 set / 35 pieces ・ Paper used: 90kg high-quality paper (slightly thicker than copy paper) Refill hole diameter: 4 mm ======== ・Produced at a printing company in Japan. - We use thicker paper that is less likely to bleed through, but fountain pen ink and dark colored markers may still bleed through. The notebook itself is not included. ========