Fotodiox B0019I5RQO

Amazon.com : Fotodiox Pro Softbox, 24"x36" (24x36 in) with Speedring, for Novatron M Series Monolight M150, M300, M500, Bare Tube Head 2107FC Strobe Flash Light, Soft Box, Speed Ring : Photographic Lighting Soft Boxes : Electronics