Personal Notebook Size Works perfectly with Filofax Personal Organizers, measuring 17.1 x 9.4 cm (6.73 x 3.7 inches). Each pack includes 180 leaves (360 pages) of ruled paper, providing ample replacement pages. Standard loose-leaf refills with international 6-ring binding for easy insertion and removal. Double-sided ruled paper with clear black lines, 8 mm spacing, 20 lines per page. Made from high-quality, environmentally friendly paper without optical brighteners. Ivory-colored paper helps reduce eye strain, making it ideal for daily note-taking and convenient to carry. 100 gsm thick paper ensures smooth writing with fountain pens, ballpoint pens, gel pens, rollerball pens, pencils, and highlighters, minimizing ink bleed-through. Suitable for class notes, meeting minutes, travel journals, daily writing, and more. Ideal for students, professionals, artists, and engineers in school, office, or personal use. Shipping information: All orders are shipped within 3 business days after payment confirmation. Delivery typically takes 812 days, depending on location. For any inquiries, please . We respond within 24 hours. Thank you for your support and we hope you enjoy your purchase.