California-Sunbounce Sun-Scrim Screen Butterfly Kit (12x12') includes the California-Sunbounce Sun-Scrim Translucent 1/3 Screen and an anodized aluminum frame. The screen can be used to slightly diffuse and soften the light by decreasing the exposure by 1/3 f-stop.The Sun-scrim butterfly frame is used to hold the California-Sunbounce Sun-Scrim Translucent 1/3 Screen tautThis tautly held screen assures consistent modification of lightBest quality translucent and reflective materials are used in the manufacture of the screen and frame in this panel reflector kitThe California-Sunbounce Sun-Scrim Translucent 1/3 Screen is stable and mobileBungee cords (elasticized cords), which are used to fasten the screen to the frame are available separately