Compact single piece, lightweight, and fold-able design. You can fold the screen in small size and put it in a backpack or suitcase. No odor on the surface of the screen, long-term use, no fade, no deformation, thick and smooth, and no wrinkle after folded. Viewing at any angle clearly. It is washable, environmental protection, and will not cause fatigue under a long view. Project on the front or through the back.