FDP3539912 Size: 5.5 x 8.5 Features: -Original dated monthly planner refill.-Clean page layout makes writing and reading easier.-Tabbed for quick reference.-Edition year: 2013. Options: -Available in 5.5 x 8.5 and 8.5 x 11 sizes. Dimensions: -Dimensions: 0.3" H x 5.5"-8.5" W x 8.5"-11" D.