Godox Octagon Softbox 47" 120cm Bowens Mount for Studio Strobe Flash Light - The opening diameter is 120cm, inside with reflect silver and comes with front translucent diffuser, great for speedlite, monolight, strobe or slave; - Quick and easy way to produce beautiful diffused light; - Especially designed for speedlites and strobes; - Built in slave devices - no messy wires; - Compatible with all Bowens Accessories.