Da-Lites Fast-Fold Deluxe frame and legs are constructed of sturdy 1-1/4 square aluminum tubing and feature easy release latches for simple, quick set up and tear down of the screen. Available with Da-Mat, Da-Tex (rear), High Contrast Da-Tex (rear), Cinema Vision, Pearlescent and Dual Vision. All Fast-Fold Deluxe surfaces are interchangeable with standard Fast-Fold surfaces for easy substitution. Dual Vision - Flexible Fabric Screen A unity gain flexible projection fabric capable of both front and rear projection. The surface is ideal for video projection under controlled light conditions. With an exceptionally wide viewing cone, each seat in the audience will observe a uniform, bright, sharp image with no color shift. Surface needs to be tensioned. Screen surface can be cleaned with mild soap and water. Flame retardant and mildew resistant.