This flash diffuser cap can be used to diffuse the flash light, which can avoid the disadvantage of the flash straight light. It disperses the light over a wider area for a softer and more natural effect. And, with its elastic band, you can install or remove it quickly and easily. Description: Foldable design and easy to carry Soften harsh shadows, reduce hot spots Spreads out light source to give soft light effect Can be installed and removed in seconds Elastic band and hook and loop fasteners design at the top, so that it is suitable for most flashes such as all speedlite flashes Size