CowboyStudio 20 x 28 Inches Photography Studio Flash Speedlite Softbox with GAD L Mount Bracket for Canon Nikon GAD L_20X28 BOWENS SOFTBOX 20" x 38" Softbox, High quality nylon construction White cover that is adjustable to soften flashes and remove shadows, thereby improving image quality Easy to set up in minutes and perfect for home or studio use Ring Diameter: 4", Hot shoe mount: 4" vertical adjustment, 1" horizontal Tilting stand mount, Compatible to all portable flash models with standard ISO hot shoe