Earth Green Yearly Undated Horizontal Dry-erasable wall planner. No months listed. 36 in. wide X 24 in. tall Dry AND wet erasable! The best of both worlds. :-) Markers will not ghost or stain. Our special film surface performs better than all of the others Our calendars easily unroll and lay flat. Installation is a breeze! Thicker calendars stay curled making installation a nightmare. Once installed, calendar thickness is irrelevant Recyclable! We make the only erasable calendars that can be recycled with household waste 24" x 36" Horizontal format. Date Blocks are 1-1/2"" wide X 1" tall.