Elite Screens Q180H1 180-Inch Portable Projection Screen Strong, lightweight and portable folding aluminum fixed-frame screen for multi-media conference/classroom presentations Standard Matte White Screen Material 1.1 Gain (Optional rear projection material sold separately) Detachable material frame design includes snap button attachments and corner pull straps for sealed-edge finish Easy setup and teardown design with no tools required Durable aluminum traveling case is wheeled for easy transport, storage, and shipping for tradeshows and traveling presentations