Andoer 80cm/31.5in Octagon Umbrella Softbox Brolly Reflector with Honeycomb Grid for Speedlite The opening Diameter is 80cm, made of high-density nylon material, high reflective, double metal frame. High quality flash cloth, minimize light loss and maximize light spread. With honeycomb grid cloth, control the light accurately. With Velcro sewn around the sides, easy to install. With zipper opening, easy to install the softbox with the stand.