The humble umbrella softbox is sometimes a much better option than a conventional softbox and at the moment is on special. It will fit all makes and sizes of studio flash equipment, it will fit all that can accept an 8mm shaft umbrella. Can be used with cool working daylight bulbs, slave flash units, speedlights in conjunction with the flash bracket and studio flash heads.
It is quick to erect and take down, if you need to be mobile and portrait photography is your thing then you should consider this as it will fit the smallest of rooms. It measures 101cm in diameter, no one should be without one in there photoraphy lighting kit.
This is suitable for cool light continuous lighting kits but not suitable for hot lights like redheads.