Product Name: Best Screen For Ultra Short Throw Projectors PET Crystal ALR Fixed Frame Projector Screen,Very slim "display design" - only 1cm frame visible on each side,High quality processed, matt black/black velvet aluminum frame. Type of fabric: CLR UST with 0.8 gain at 180° viewing angle,Absorbs up to 96% of overhead lighting,Fully 4k UHD capable, Active 3D compatible,Boosts the in-picture contrast up to 100x compared to standard matt-white screens. Specially optimised and only suitable for ultra-short throw projectors,Permanently and perfectly tensioned cloth, with back spring tension system. 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.