SPECS 32 pages with different style options for versatility and a spiral notebook for ease of use. Option of dot grid pattern or lines on each page Pages are erasable with a moistened cloth Infinitely reusable Includes 1 Pilot FriXion pen and 1 microfiber towel Letter Size (8.5 x 11) Spray bottle not included [ OFFICIAL ROCKETBOOK FOLIO COVER ] for Core and Fusion notebooks. The first covers to be designed specifically for and by Rocketbook [ STYLE AND PROTECTION ] 100% recyclable and fully biodegradable with a magnetic clasp to keep closed. Available in Dark Matter Black and Mars Sand Tan color options [ MADE TO MEASURE ] Your Rockebook is easily removable, while also being snug. All covers feature a pen dock, inside pocket and multiple card slots to store all your mission-critical supplies. [ MADE FROM RECYCLABLE KRAFT PAPER ] This earth and animal-friendly alternative to leather is lightweight with high tear resistance and made of biodegradable natural fiber. Our blend of Kraft Paper is durable and “wears” beautifully over time. [ PROFESSIONAL & LIGHTWEIGHT ] Rocketbook Folio Covers Innovative design makes them the ideal Rocketbook accessory for Students, Working Professionals, Astronauts, Journalists, Graduates, and Writers. Letter Size - 10.8” X 11.8” X 1” Fits Letter Size Rocketbooks 8.5” X 11”.