Opteka SB-240 24x24" Collapsible Speedlight Studio Softbox with Tripod Mount L-Bracket for Canon EOS Speedlite 320EX, 430EX II, 580EX II, 600EX-RT, Nikon Speedlight SB-700, SB-800, SB-900, SB-910 AF, Olympus FL-50R, Sigma EF-610 DG ST & Super External Shoe Mount Flash Units Provides soft, even flash illumination 24 x 24" front diffuser screen Silver reflector interior Includes a second inner diffuser screen (removable) for a greater soft effect Folds down flat for easy storage and portability