This patented line of pads and notebooks is truly easy on the eyes. It also makes it easy to digitize your work! Working on a soft grey sheet reduces eye-strain, and the white guidelines make your work stand out. Each sheet contains 4 corner codes that work seamlessly with the free whitelines app. When you capture the image in the app, it is automatically sent to your email, Dropbox, or Evernote account. Side Spriral Bound. 70 Perforated, Soft Grey Sheets. 5x5 White Grid.