Qualities This softbox is perfect for continuous screw-fit bulbs because it includes a Ceramic E27 bulb holder. This unit can be used with or without the front diffuser, which is attached with velcro. Similar to an umbrella, it folds flat in a single, simple motion. Ideal Lighting Kit for Digital Photos and Videos, Slave Flash and Bulb A softbox measuring 20" x 28" (50 cm x 70 cm) is included with the swivel lamp head. It takes only a few minutes to set up and move from a carry bag to a stand. Superior Reflector Material. Power switch, on/off. Size of Soft Box: 20" x 50 cm x 28" x 70 cm. The folded length of the soft box is 21.65"/55 cm. Design for Digital Photography, Video, and Film Cameras. Perfect for Household or Small Business Use or Internet Sellers