It is more than a softbox. It is a Light Shaping Tool.
Sometimes you need a soft symmetric light source. For instance, you might be a portrait photographer in need of a flattering key light or a product photographer looking for that perfectly square highlight with soft edges. These are two of many situations when a square softbox comes in handy.
Double-layered diffusers and a highly reflective silver interior.
Optional accessories, such as the Softgrid, the Stripmask and the Flat Front Diffuser, allow for even more precise light shaping.