Simple curtainstyle projection screen that is easy to set up, carry, and store. Dualsided projection surface: the front is a lightblocking screen that improves perceived brightness and contrast, while the back is a standard projection surface. This setup provides a practical, whitewall like effect when needed and supports twosided viewing. Designed to work with lowlumen projectors: suitable for environments where brightness is limited; for results, use in dimmed to dark rooms. Foldable storage with creases that do not affect viewing quality, making it convenient to transport and reuse without compromising image clarity. Antilight leakage and viewing efficiency: optimized for a clear image within a typical 30degree viewing area, helping maintain readability across the main seating zone. Practical, versatile, and portable: ideal for home entertainment, small classrooms or meeting spaces, and travel or dorm room setups where a lightweight, easytomove screen is beneficial. Use scenarios Home cinema in a living room with some ambient light: enjoy movies or videos with improved brightness on the front surface while keeping the back surface ready for alternative setups. Small classroom or meeting room: portable screen for presentations or training sessions, easy to deploy, fold, and store between uses. Dorm, hotel, or travel use: compact, lightweight screen that travels with you, enabling quick setup for viewing or work presentations without bulky equipment.