This is a 28" SP Studio Systems EZ Octagonal Softbox EZ Softboxes are a snap to open and close. Set up a photo shoot quickly and easily. Just attach rear mount to your strobe, push in on internal bracing arms, and snap the umbrella-type lock into place. Comes with speed ring for SP Studio Systems Excalibur 6400, 3200, or 1600 and LancerLight AC/Battery Pack Strobe Series.
Speed Rings for other brands of strobes are available separately.