Keep your schedule simple and flexible with the Maruman Loose-Leaf Mini Monthly Free Diary - compact, undated planner pages designed around the popular Maruman loose-leaf system. Its mini size makes it easy to carry on its own or fit inside a binder, so you can start using it anytime you want without worrying about wasted pages. Every sheet features a monthly spread with plenty of room for appointments, goals, and personal notes, and the back side offers a handy 3mm grid that’s perfect for extra memos, checklists, or sketches. Because it’s undated, you can jump in whenever you like — perfect for busy lifestyles, goal tracking, or creative planning alongside your main calendar. The slim format also makes it great as a secondary planner, habit tracker, or portable diary you can reference anytime. Undated monthly format (start any time) Fits mini or larger binders with 9-hole spacing Approx. 3.4” × 5.0” (86 × 128 mm) 50 sheets of smooth writing paper (80 g/m²)