This projection screen is made of Fiberglass, making it unbreakable and easy to clean. In addition, the projection screen pressed with three layers of material prevents light from penetrating the screen. Projection curtains with a diagonal of 60 inches are ideal for home theater or professional use. With 4K Ultra HD and a 178-degree wide viewing angle, you can watch movies with your family or friends as if you were in a movie theater. Auto lock mechanism, portable projector screen is equipped with a convenient auto lock mechanism. You can easily reach your desired height, perfect for both indoor and outdoor use. Wall or ceiling mounted, our projection screens weigh 3.8 kg and are easy to lift and install. It can be screwed directly to the wall or hung from the ceiling with a hook. Use scenarios, 16:9 is rectangular, suitable for home theater, playing games, KTV, 4:3 is relatively square, suitable for business office school teaching PPT and other workplaces. Whether it's for everyday use at home or in the office, screenings in large conference rooms, enjoyable movie nights, tabletop presentations in external meetings, it's the perfect choice for you. Product name: projection screen Product material: glass fiber Product color: white Product type: wall-mounted Product size: 60 in Product ratio: 4:3/16:9 Package includes: 1 × projector screen Prompt: 1. Due to manual dimensional measurement, there is a 1-2cm error in the size. 2.