This 18.5cm white diffuser plate is compatible for bowens mount 7" standard reflector. It will make the light output much more natural and softer, perfect for photo studio photography. Features: 18.5cm white diffuser plate compatible for bowens mount 7" standard reflector shade. Made of high-quality material with frosted surface, it can make the light output much more natural and softer. Compact and lightweight design, solid and durable. Perfect for photo studio photography. Specifications: Fit: Bowens Mount 7" standard Reflector Plate Diameter: 18.5cm / 7.3in Item Weight: 80g / 2.8oz Package Size: 18.5 * 18.5 * 1cm / 7.3 * 7.3 * 0.4in Package Weight: 112g / 3.95oz Package List: 1 * Diffuser Plate