Fotodiox Pro 24x24" (60x60cm) Softbox with Bowens Speedring for Bowens, Calumet, Interfit and Compatible - Standard Softbox with Silver Reflective Interior with Double Diffusion Panels Pro-grade, heat-resistance fabric constructed with premium-grade materials. Features an inner baffle and an outer diffusive cover for an even light throw Sealable venting for high-powered lamp or continuous lighting source Rotating speedring with thumb screw lock 24 Month Fotodiox Warranty