Not fancy at all, made it with a bunch of green poster board but when lit up properly it will work as good as the real deal. I only used it to make a little video project for school and i just found it while cleaning my basement. It's pretty large...about 7x7 ish but I have it folded it up, if anyone wants it, let me know...
Oh and for your own laughs....the video I made this green screen for...
http://youtube.com/watch?v=xpiiKoMGWR4