The California-Sunbounce Sun-Scrim Natural White Screen (20x20') is a white reflector that can be attached to a Sun-Scrim 20x20' butterfly frame (not included). The California-Sunbounce white screen gives you strong reflected lights without enhancing the contrast too much.The optional aluminum frame is strong and easy to put togetherCalifornia-Sunbounce Panel Reflectors are made using high-quality materialsBungee cords available separately that can be used to attach the screen to the frameThe California-Sunbounce Sun-Scrim Natural White Screen (20x20') is lightweight and easily portable