Fotodiox EZ-Pro Strip Softbox 12x56" with Speedring for Novatron M Series Monolight M150, M300, M500, Bare Tube Head 2107FC 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