Onebigoutlet 100" Tripod Stand Portable Projection Screen, 70"x70" View Portable & Steady Tripod installation design, convenient for setting up Ideal for home theater, public display, business, classroom etc High contrast 1.3 gain screen optimizes picture quality 4-side black masking borders increase picture focus & contrast Diagonal 100" offers 70" x 70" viewing area; 1:1 screen format