The screen is made of high-density fiber material, has no peculiar smell and is harmless to human health. Metal layers and beads in the screen increase brightness. Give you a better viewing experience. Gray screens can effectively improve projection contrast. It gives you an excellent projection experience without closing the doors or windows during the day. Images on this screen are sharper and more dynamic than ever. 160° Wider Viewing Angle - The outside projector screen with a wide viewing angle up to 160° , that means you don't need to sit directly in front of the screen, just only need to select the most comfortable viewing posture to enjoy wonderful movie night. Suitable for outdoor camping movie, open- cinema, translucent screen is designed forfront or back projection.