this linkstar flash umbrella puk-84sw has a silver interior coating and a white exterior coating. with a simple action, it's possible to invert the cover. this way you can get a white interior or a silver interior. an umbrella with a silver reflecting inside reflects fairly "hard" light. when using a white reflecting inside, you can generate a softer silver effect. the linkstar flash umbrellas are solidly constructed. the tubes have a diameter of 8 mm, so the umbrellas can be used for most studio flashes and continuous lighting. features: linkstar umbrella puk-84sw silver/white (reversible) tube size 8 mm solid construction can be used for most studio flashes and continuous lighting foldable and easy to carry