ENDLESSLY REUSABLE - This 36 page, erasable, dot grid spiral notebook can be used endlessly, just write, scan, and then wipe away. HOW TO USE - Allow 15 seconds for ink from a Pilot Frixion pen, marker, or highlighter to dry in order to bond to Rocketbook's specialized composite paper. Use the QR code in the bottom corner to save your notes to the Rocketbook app, then, wipe away the ink with a damp cloth, it's that easy. CLOUD COMPATIBLE - All handwritten notes can be saved to the free Rocketbook app and easily transfered to your cloud service of choice including Google Drive, Dropbox, Evernote, OneNote, Slack, iCloud, and more. BETTER ORGANIZATION - Sophisitcated AI technology allows you to use Rocketbook smart titles, search, and email transcription to easily name, search, and send your notes, no more flipping through pages. PACKAGING INCLUDES - 1 Rocketbook Letter Size, Dot Grid, Core Notebook 8.5 x 11, 1 Pilot Frixion Pen, and 1 Microfiber Cloth.