Screen Innovations HDTV 100-Inch Matte White 1.1 Theater Sensation Fixed Screen 1.1 gain screen material creates sharp and vibrant images across diverse light conditions Deluxe 2.75 beveled black velvet wrapped frame and high-quality aluminum frame assembly Revolutionary T-Line tensioning method ensures optimal projector focus, and permanently eliminates any concerns about traditional screen sag Easy one-person installation with the stainless steel easy slide mounting system which allows over 7-inches of horizontal adjustment Wide 178 degree viewing cone, works well even with wide spread seating arrangements