* Using with green screen chair technology the chromakey function allows you to have a background with any image during video calls. * Backrest strip made of elastic fabric compatible with the size of any office chair. * Folds up to a small size. Storage bag included. Feature 1.Setup and takedown in 5-10 seconds 2.Range of colors and sizes available for whatever setup size and application you have. 3.Fits on any chair 4.Folds neatly into the included storage bag 5.Spring steel pulls material taut for an even background look