The linkstar qssx-7575 foldable softbox is 75 x 75 cm in size and is easy to set up. the qssx-7575 is suitable for portrait and product photography and is supplied with 2 diffuse cloths. the diffuse material spreads the light evenly, provides a neutral colour temperature and minimizes shadows and reflections.  Linkstar qssx-7575 foldable softbox specifications The qssx-7575 is supplied with a standard linkstar speed ring, which is compatible with bowens, studioking, lastolite, jinbei, qihe, and aurora studio flash units. by using an additional speed ring adapter, the qssx-7575 is also compatible with falcon eyes, broncolor, elichrom, hensel and multiblitz studio flash units. to view these speed ring adapter rings, please see the optional accessories tab below. These softboxes are not suitable for halogen lamps, (such as the linkstar lq-1000), due to the high heat generation of these lamps. the soft boxes from the linkstar lqa series are suitable for such types of lamps.