please make different expression of “ MOVE EASILY - The standing whiteboard comes with 4 easy rolling caster wheels which help you in moving the freestanding white board in any location you need. Each wheel has a locking system for keeping the mobile erase board secured in place when necessary, during your lesson, presentation and more. With wheels that can turn 360 degrees, it is much more simple to transport the mobile dry erase board between rooms, whether on hard floors or carpet."