Happy Planner Classic Fill Paper Simple Essentials - Add these Happy Planner filler paper pages to your Classic size planner, journal, or notebook. Extend your planner's life while you boost your productivity with the best planner accessories. These double-sided notebook filler pages have dotted lined, blank, and bullet list pages for versatility and designs that incorporate alternating colours and polka dot borders. Write notes, design your own habit trackers, and get creative with all the uses!