Earth Green 30-Day Horizontal Dry-wet erasable Wall Calendar 24 in. x 36 in. Monday - Friday (no weekends) 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. Date blocks 7-3/8" wide X 4-1/2" tall