Keep your busy schedule secure in this calendar base. This classic yet contemporary desk calendar base holds standard E19-style daily calendar refills so you are always up-to-date. High-impact, molded plastic base provides long-lasting support and is recyclable. Two-rings lock in a loose-leaf calendar refill (sold separately). Holds 3" x 3-3/4" pages; 4-7/8" x 6-5/8" x 1" overall size.