GSM does not have an affiliate relationship with Amazon; these recommendations are provided only for the convenience of those who would like equipment suggestions.
You are welcome to purchase and use use any gear you like. These particular item are recommended because they happen to be fairly priced, well reviewed, and are easy to setup and use.
If you would like to shoot with a green screen, please select the GIJUANRING light stands (or an equivalent product) to illuminate the screen; ring lights are not intended or optimized for this function.
The 18” light ring holds a smartphone or camera.