ST3-169112-ALR Silver Ticket Products, 112" Diagonal, 16:9 Cinema Format, 4K Ultra HD Ready, HDTV (6 Piece Fixed Frame) Projector Screen, Ambient Light Rejecting Material

For long throw projectors 

Important Notice: Handle the material with extreme care, do not crease the material.  Do not lift the material from the floor after it is unrolled, unless it is completely attached to the frame. 

Recommended to follow the steps in the ST3 UST video for assembly