Creative Light 100870 105 cm/41-Inch Umbrella Softbox -White Diffuser makes a quick softbox look with the ease of a umbrella Alloy composites mean the frame, locking mechanism and joints are flexible enough to handle the use and abuse of the real world Universal 8mm shaft guaranties compatibility with all brands of flash Approved for use with continuous hot lights, up to 500 watts Umbrellas come standard with a heavy duty, soft-sided storage case ensuring long life.