Designed for ultra short throw projectors, the IDEA" Screen features upgraded durability, surface uniformity and rigidity to ensure a superior interactive experience. The erasable surface is hotspot-free under projection when paired with an ultra short throw projector. All IDEA Screens are magnetic and have a thin frame. It can be used with an interactive ultra short throw projector as a touch screen or as a whiteboard with dry-erase markers. A tray for markers make the IDEA Screen a great upgrade to any classroom.