Koval Inc. 72" Diagonal 4:3 Manual Pull Down Wall Mount Matte Projector Screen (72" 4:3) HIGH QUALITY: Projector Screen is made with superior black-backed screen material. Eliminates light penetration. EASY TO INSTALL: Projector screen is designed to be installed on wall or ceiling. LARGE VISUAL AREA: Viewing area of the projector screen is 57"x43" and measures 72" diagonal. HIGH CONTRAST: 1.3 gain screen optimizes picture quality. It will offer you a perfect visual enjoyment with optimal image and color reproduction. APPLICATION: This projector screen is perfect for Classrooms, Home Theater, Conference Room.