Octabox Big is a softbox with a diameter of 200cm and it is the largest octabox we rent. It comes with two diffusers and a speedring - please specify which flash system you are using. Octaboxes, in general, are an easy to transport and durable light tool often used as the key light. Our softboxes come in all shapes and sizes to provide shaping control efforthless. They have a deeper shape, a recessed front, front and inner removable diffusers, and a highly reflective silver interior. We also have soft grids for every size and type.