Magic Whiteboard Sheets A4 White 20 Sheets Dragons' Den Winners - A4 Magic Whiteboard allows you to create a whiteboard from a roll, anywhere in seconds. Clings using static to any flat surface including painted walls, windows and doors. Leaves no marks (no adhesive). Write on with any whiteboard markers, wipe clean and reuse. Perfect for reminders, leaving messages, to do lists, revision and labelling.