Buy on Amazon : br br CowboyStudio Pro 30-Inch Octagon Umbrella Speedlite Softbox for Nikon Canon Flash Light br br One 1 30-Inch Octagon speedlite umbrella softbox One 1 White diffuser One 1 Carrying case NOTE Flash bracket Flash stand are not included br Diameter of the octagonal box is 30 inches 15-Inch deep br This softbox is made to snap open like and umbrella to create a full sized octagon softbox in seconds br You can use a standard umbrella flash bracket to accept the umbrella pole through the bracket and allow for a range of motion to the light movement br The zipper close hole in the softbox allows a stand to insert to the flash bracket to secure the bracket without light leaks