Fotodiox EZ-Pro Octagon Softbox 60" with Speedring for Calumet Travelite 375R, 750R Assemble and disassemble in a heartbeat; great for travel Pro-grade, heat-resistance fabric; seal-able venting for high-powered lamp or continuous lighting source Features an inner baffle and an outer diffusive cover for an even light throw Rotation speeding ring with thumb screw lock 24 month manufacture warranty