Interfit INT211 Softbox 60 x 60cm Description. The 60cm 24 EX Softbox features a double layer of diffusion giving you a very soft quality of light. Remove the diffusion & expose the inner silver lining for added contrast & defined shadows. Both options are ideal for portraits. All EX Softboxes are made from durable lightweight materials & assemble quickly & easily. The 60cm 24 EX Softbox is compatible with the entire range of EX studio flashes.