Whiteboard Sheets, W/Black Marker, 37"x24", 20 Sht, White Portable static sheets stick to any surface enabling presentations at virtually any business or school location. Whiteboard sheets work with dry-erase, wet-erase or permanent markers. May be reused as needed. Presentation materials may be done in advance, then brought to an off-site location in compact tube that easily fits in briefcase. Includes twelve 12" x 37" sheets plus one Sanford Expo marker. Also ideal as an instant projector screen you can write on.