Reversible: Plan three or four months at a time. Write-on/wipe-off surface for use with wet-erase markers. Side One: Horizontal four-months undated with space for notes; Side Two: Horizontal three-months undated with space for notes. Wet-erase marker included. Size: 36 x 24; Page Color/Theme: White/Blue; Calendar Term: 90-Day; 120-Day; Julian Dates: No.