AT-A-GLANCE Vertical/Horizontal Erasable Quarterly/Monthly Wall Planner, 24 x 36, White/Blue Sheets, 12-Month (Jan to Dec): 2024 - Plans change, and this large wall calendar is made to keep up whether you are planning for yourself or a whole group. It's fully erasable and reverses from horizontal to a vertical annual view layout as needed. Write, erase and write some more all year long to stay on top of a busy, frequently changing schedule. Write-on/wipe-off surface. Wet-erase marker included.