Streamline note taking with the magic of Rocketbook Core, a reusable smart notebook that combines the timeless feel of writing with pen and paper, and the digital connectivity of a tablet. Traditional handwriting, as with Rocketbook Core, is proven to increase memory, while the Core\'s smart features and the included Rocketbook App can digitize your notes and boost productivity. Easily save, search, organize and send to the cloud provider of your choice, with the included Rocketbook App. Declutter and ditch the piles of single use paper. Write your best ideas with the included Pilot Frixion Pen, capture them with the Rocketbook App then wipe clear with a touch of water and included Rocketbook microfiber cloth; endlessly reuse pages again and again. Compact and lightweight–perfect for on the go students, creatives, and professionals of all types. Experience the best of both worlds with Rocketbook Core - the pleasure of pen and paper, elevated by our Rocketbook System. Available in 3 sizes Letter (8.5\"x11\"), Executive (6.6\" x 8\"), Mini (3.5\"x5.5\"), 16 vibrant colors, and 2 Page Types (Lined or Dotted)