AT-A-GLANCE Wall Calendar with Additional Features, Large Wall, 2012 (PM3P-28) Page Size: 15 1/2" x 22 3/4". 12 months (January - December). Block size: 2 1/16" x 3 5/16" Your favorite wall calendar format now available with additional features: monthly tabs, date highlighter and sticker sheet One month per page Federal holidays in red; full-year calendar reference. Chipboard backing; white wirebound with hanging loop.