The California Sunbounce system consists of a collapsible aluminium frame that can be easily assembled & combined with different reflecting, light-reducing, or light-absorbing screens to take full advantage of any kind of light, hard or soft, natural or artificial. This California Sunbounce Mini Sun-Bounce Translucent 2/3 Screen (3x 4') is a translucent screen that diffuses & softens the light, while decreasing the light transmitted through it by 2/3 f-stop. Frame is not included.