If any of you have lost time on the set struggling to fold one of these large portable green or blue screens, here’s a little tutorial to help you save the time and frustration. There are a lot of tutorials out there, many suggesting to twist the frame in the opposite direction with both hands, but none of them worked for me. I fortunately found my own simple way that lets me fold the screen fast every time.
Tutorial 47
You can get this Fotodiox green screen with a free stand on Amazon
On ebay, Fotodiox sells a blue screen – it’s without the stand but much cheaper.
And here you have a lot of affordable choices of other
very good explain