Fotodiox Pro 48"x72" Softbox for Studio Strobe/Flash with Soft Diffuser and Dedicated Speedring, fits THE NEW PAUL C. BUFF EINSTEIN E640 Strobe Flash Light Pro Grade, Heat Resistant Reflective Fabric, Heavy Duty Construction w/ Premium Grade Materials Features Inner Baffle and Outer Diffusive Cover for Even Light Throw Sealable Venting for use with Modeling Lamp or Continuous Lighting Rotating Speeding with Thumb Screw Lock 24 Month Manufacture Warranty