Polaroid Universal Cloth Flash Diffuser for Canon, Nikon, Olympus, Sony, Panasonic, Pentax, Sigma & Other External Flash Units Held in Place with Built-in Elastic Band, Attaches In seconds &lt;&gt; One size fits all Creates Soft, Diffused Light &lt;&gt; Reflective Cloth Interior Softens Shadows Use Flash in Vert. or Horiz. Position Folds flat to conveniently fit in your gear bag