Fotodiox 60" Octagon Softbox with Soft Diffuser and Speedring Bracket for Canon Flash Speedlite 600EX-RT, 580EX, II, 430EX, II, 380EX, 270EX, 270EX II, 540EX. 550EX, 300TL Pro grade, heat resistant reflective fabric Features inner baffle, and outer diffusive cover for even light throw Sealable venting for use with high power modeling lamp or continuous lighting Rotation speeding ring with thumb screw lock 24 Month Manufacture Warranty