Currently retails on Amazon for $200 plus taxes. Comes in one long box. Very easy to set up for a free standing projection screen.
 
Details from the manufacturer, Lesolar:
 
Mounting Type: Floor Free Standing
 
Product Dimensions: 69.7"W x 50.4"H
Material: Aluminum
Display Dimensions:  84 inches 
Brand: Lesolar
 
【Strong Resistance to Light】Gray fiberglass curtain has stronger light resistance than white fiberglass curtain. Supports 4k ultra HD and active 3D projection ready, featuring a 180° viewing angle and 1.3 gain, with delicate image quality, providing you with a good viewing experience.
 
【Good Stability without Assembly】This portable projector screens enclosure is made of aluminum, with a stable and sturdy structure, can be fixed firmly and is not easy to shake. There is no need to assemble, just put the screen stand on the ground according to the instructions, open the bottom feet and cover, and press the button to stretch, which is very fast and convenient.
 
【Space Saving】This vividstorm projector screen floor rising is a 73.2 x 4 x 4in cuboid when it is closed. You can place it in any corner. The base is made of high-density aluminum alloy, which is light and not easy to deform and break. Baking paint process, moisture-proof and anti-corrosion.
 
【Easy to Carry】The video projection screens has a compact and lightweight design, easy to carry, you can enjoy the extraordinary viewing experience anytime, anywhere. The aluminum housing protects the portable screen for projector from crushing and damage during transport.
 
【Wide Applications】This movie projector screens is suitable for most projectors, widely used in studios, conference rooms, dance parties, concerts, hotels, schools, offices and other places that require media presentations. You can turn any location into a home theater or media room for movies, sporting events, photos, video games, and presentations.