Rocketbook Fusion Smart Notebook, Seven Assorted Page Formats, Gray Cover, (21) 8.8 x 6 Sheets - Reusable pen and paper notebook with seven different page templates that connect to your favorite Cloud services. You'll find calendars, to-do lists and notetaking layouts. Made with the patented reusable Core technology. Synthetic paper allows you to write smoothly with a Pilot FriXion pen, then magically wipe clean with a damp cloth to reuse.