180-Day/6-Month Dry-erase Horizontal Earth Green Wall Calendar 24 in. X 36 in. - Sunday - Saturday 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 38" Horizontal Format. Blocks are 1-5/8"wide X 2-1/8" tall