AT-A-GLANCE E21-Style Desk Calendar Base, Black, 9.38 x 10.13 x 1.93 Inches (E21-00) Classic yet contemporary black base holds calendar refills with a 4.5 x 8 inch page size Holds standard loose leaf calendar pages E712, H212 and E210, sold separately Black base is made of high-impact molded plastic Two-ring binding; recyclable 9.38 x 10.13 x 1.93 inches