Instahibit 100" Diagonal Manual Pull-up Projection Screen 4:3 Foldable Tripod Stand 78" x 59" White Instahibit&trade; 100" Diagonal Manual Pull-up Projection Screen 4:3 w/ Foldable Tripod Stand, 78" x 59" viewing area Self-locked system provides variable height settings, reliable tripod to adjust height and housing position Matte white viewing surface diffuses projected light uniformly 4-side black masking borders increase picture focus & contrast Black-backed screen material eliminates light penetration