Polaroid Universal Flash Bouncer Diffuser For Canon EOS, Nikon, Olympus, Pentax, Sony, Sigma, & Other External Flash Units Enlarges And Redirects Light At A 90 Degrees Angle From The Flash Softens Light And Distributes To A Larger Area Attaches With The Included Velcro Adhesive Tabs Or The Optional Polaroid Clinch Band (Sold Separately) Folds Flat To 4-1/2 X 7-1/4 Inches, Weighs Just 3.2 Ounces