Onebigoutlet&copy; 100" Tripod Portable Projector Projection HD Screen Foldable Stand, 87"x49", 16:9 Ideal for home theater movies, classroom training, conference room presentations, public display, etc. Portable & Steady Tripod installation design, convenient for setting up; Black-backed screen material eliminates light penetration 4-side black masking borders increase picture focus & contrast; Shelf-lock system allows you to adjust the height and aspect ratio Screen surface could wipe with mild soap or water; 4-side black masking borders increase picture focus & contrast 16:9 HD Screen format and diagonal 100" offers 87" x 49" viewing area