The light diffusion surface diameter is 47"/120cm, with wide range of applications, suitable for portrait or product photography. It is a soft box when being spread and like an umbrella when being folded, easy to use. The umbrella body made of high-density nylon material, high reflective. Comes with front translucent cover that is sewn with fastener tape around the edge, great for speedlite. Can be used with flashes and some studio flash lights with umbrella hole. Specifications: Spread Surface: 37"/95cm Color: Black / Silver (out/in) Shape: Octagon Package Contents: 1x 37"/95cm Portable Octagonal Umbrella Softbox 1 x Front Cover 1 x Carrying Bag 1 x USB LED Note: Light stand, flash holder and flash not included