Manual Rolling 100″ Inch (87X49) Wall Hanging Hook Projector Screen 16:9 Wide Angle Product Type: Manual Rolling Screen Mount Type: Wall or Ceiling Mount Surface material: Matt White Image Format: 16:9 Diagonal size: 100 inches (87X49) Dual wall and ceiling installation design Matte white viewing surface diffusesprojected light uniformly 4-side black masking borders increase picture focus & contrast Black-backed screen material eliminates light penetration Screen surface could be wiped with mil