The California-Sunbounce Sun-Scrim Black Moulton Screen is specifically designed for the Sun Scrim 8x8' butterfly frame (not included) to block light completely. The California-Sunbounce 8 X 8' Black Moulton Screen is held tightly tensioned over the anodized aluminum frame so that it enables modification of light consistentlyThe aluminum frame with this system can be combined with various light absorbing, reducing, or reflecting screensThese California-Sunbounce panel reflectors are created using top-quality materials for durable performanceThe California Sunbounce system is highly mobile as it can be easily assembled and disassembled