SMDV Speedbox Diffuser-S65 - Professional 26 inch Rigid Quick Folding Dodecagon Softbox for Speedlight Flash - Legio Limited Edition Patented quick-release folding speedring for fast and convenient setup More Durable Steel Rods Dodecagon (12-sided) softbox with 65cm (26") diameter High Quality DOUBLE DIFFUSION PANELS for high quality soft light! Perfect for professional photographers on the go!