Excellent Chrome Key Functions: Take photos with a green background as the ID photo is a piece of cake, its wonderful function is to extract the subject in a picture or video to change the background or do some other operations. Usually widely used in Youtube video, virtual studio, live game, Twitch Streamer broadcast, interview and so on. Smooth Green Screen and Sturdy Aluminum Housing: The foldable design keeps the green screen away from dust and smudges, maintaining a clean and smooth condition without wrinkles. And our solid aluminum alloy shell adopts advanced spraying technology, the surface is powder coating, which is fading for a long time.