For 120″ screen, is this sturdy enough to be used outside with wind?

It’s really light; it comes with pegs and ropes. In heavy wind you can think of using sand bags instead. It’s a large area too so it’s like a sail! Don’t use in a lot of wind, as it can bend the legs. It’s not meant to be used on really windy days. Just use it the same weather you feel comfortable staying outside and watch it and you should be fine. We suggest you fold it up when you don’t need it.

For more information please check out our guide setting up a great backyard setup
http://outdoormoviehq.com/ultimate-guide-to-outdoor-movies
Or take a look at our recommended projectors and screens
http://outdoormoviehq.com/outdoor-movie-screens