HoloGrey Rear Projection Screen (in all sizes, shapes, formats up to 78 x 139 x 1/8-inch or can be tiled to larger sizes). Constructed of rigid acrylic and designed with embedded optics technology for a balance of brightness and contrast in uncontrolled indoor lighting conditions. Can be used in conventional in-wall projection, framed or freely suspended by thin wires for eye-catching open air floating displays. Because of its ability to present bright and colorful images in ambient light, it is a popular choice for shopping malls, retail stores, bowling alleys, supermarkets, restaurants, banks, hotels, airports, real estate offices, theatre lobbies, etc. Available in all sizes or shapes up to 78 x 139-inch or can be tiled to any size. Embedded optics (EOT), an advanced light diffusion technology that renders brighter images (as much as 5 times brighter than conventional optical coated screen) with improved contrast levels, and enhanced view angles. Superior light rejection capabilities allow freely suspended displays in all indoor uncontrolled lighting conditions. Durable 1/8-inch thick acrylic construction for better resolution and image sharpness, matted anti-glare, scratch resistant surfaces (both sides) with no sensitive surface coatings, laminates, films, lens, etc.) and can be easily cleaned with common (non-acidic) cleaning products. HoloGrey is popular for use in normal indoor ambient light conditions where a balance of image brightness and contrast is desired, such as, shopping malls, airports, restaurants, sport bars, museums, military, government, educational and financial institutions, houses of worship.