Reversible: horizontal or vertical layout. Write-on/wipe-off surface for use with wet-erase markers. Bold, large, easy-to-read print on bright white background. Side One: Vertical yearly (January to December); Side Two: Horizontal yearly (January to December). Wet-erase marker included. Dated/Undated: Dated; Calendar Format: Yearly; Page Format: Horizontal: One Year per Page; Vertical: One Year per Page; Edition Year: 2023.