"- Flexibility for use in front or rear projection applications with Da-Mat, Da-Tex (rear), High Contrast Da-Tex (Rear), Pearlescent, Cinema Vision or Dual Vision attachable projection surfaces.- Available in square, slide, NTSC Video and HDTV format sizes from 54"" x 54"" up to 10'6"" x 14'.- All projection surfaces are seamless and interchangeable with Standard Fast-Fold® projection surfaces and are standard with square corners.- Da-Lite poly cases meet or exceed Air Transport Association (ATA) Specification 300 standards."