SMDV Diffuser SPEEDBOX-S70 - Professional 28-inch (70cm) Rigid Portable Quick Folding Dodecagon Softbox for Speedlight Flash - Legio Limited Edition High quality professional dodecagon (12-sided) softbox. Almost circular shape. Patented quick-relolding system for fast and convenient setup. Folds away in seconds! Double Diffusion Panels (Removable) for superior quality soft light! Steel rods for enhanced durability. New (October 1, 2017) SB-05 speedlight mounting bracket