?????????[ Magic notebook ] This is a magic smart notebook with pen that allows 15 seconds for ink to dry. Your writing can be cleaned by erasable pen tip or hot hair drier. But only works for erasable pens. ?????????[Different sizes to choose] Our Reusable Notepad with letter Size: 22.1 x 28.5cm / 8.7 x 11.2 inch. It has enough space for sketching, taking notes. Suitable for architect, painter, teacher, etc. ?????????[Smart cloud storage function] Please download “CamScanner” or " NEWYES NOTE " app, you can blast your notes to Google Drive, Dropbox, Evernote, Box, OneNote, iCloud and email. Both PDF and JPG form are available. ?????????[Paperless,Eco-Friendly Design] No more wasting paper, one reusable planner notebook can be reused over 500 times. Save your money also protect environment, great choice for your daily use. (Please don't place the page below the sun, the ink may disappear by the sun or the heat.) ?????????[Cost-effective smart notepad] 40 pages reusable ruled notebook We present the following gifts for clients: 2 erasable pens and a set of label tapes.