Andoer 80cm / 31.5in Octagon Umbrella Softbox Brolly Reflector Diffuser with Carbon Fiber Bracket for Speedlite Flash Light The opening diameter is 80cm , inside with reflect silver and comes with front translucent cover, great for speedlite. The bracket is made of carbon fiber, more lightweight. Ultimate soften light stream and remove shadow to make perfect shooting. High quality flash cloth, minimize light loss and maximize light spread. With zipper opening, easy to install the soft box with the stand.