The Rocketbook Letter Flip Notebook is designed for every classroom, office, and personal mission. The synthetic, white lined college ruled and dotted paper allows you to write smoothly with a Pilot Frixion pen, then magically wipe clean with a damp cloth to reuse again and again! Use the Rocketbook app to blast your notes, plans, lists, and big ideas to your favorite cloud service for proper organization. Then, erase and reuse your Flip for your next adventure! This hard cover notebook includes 36 pages.