Earth Green 120-Day 4-Month Dry/Wet-Erasable Wall Planner 38 in. x 75 in. 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 38" x 75" Each planning block is 5.125" wide X 3.5" tall