Levenger Circa Monthly Tabs & Pullout Calendar-Letter 2015 12 monthly tabs for January&ndash;December. Calendar on extra-sturdy 140-gsm white paper. Reinforced tabs. One-sheet pullout calendar features 2015 on one side and 2016 on the other. Each month&rsquo;s tab has a space for personal and business to-do lists on the front, with the full-month&nbsp; view on the back.