AT-A-GLANCE 19-Style Desk Calendar Base, Black, 4.88 x 6.63 x .88 Inches (E19-00) Classic yet contemporary black base holds calendar refills with a 3 x 3.75 inch page size; base itself measures 4.88 x 6.63 x .88 inches Holds standard loose-leaf calendar pages, E919-50 (3.5 x 6"), sold separately Black base is made of high-impact molded plastic; two-ring binding; recyclable