Elite Screens has added a pliable whiteboard-projection screen, dubbed the Insta-DE2. It’s a flexible projection screen material that’s ultra-sheer for converting smooth wall surfaces and windows into an interactive whiteboard/projection screen for use with standard and short throw projectors. Made with GREENGUARD, the Insta-Screen DE2 is a 1.1 gain PET (polyethylene terephthalate) projection surface and has a plastic-film backing for durability. It connects to windows and other smooth surfaces by use of either spray adhesive or double-sided tape. Products are available in a 84” (4:3 NTSC aspect ratio), 97” (16:10 WXGA aspect ratio) and 105” (16:9 HDTV aspect ratio).
All the details can be found here: http://www.elitescreens.com