FODSLR Universal Flash Diffuser Soft Box for Canon 580ex 550ex 540ez 430ex 420ex 380ex 430ez Nikon Sb-800 Sb-600 Sb-80dx Sb28 Sb26 Sb25 Sb24 Nikon Canon Eos 5d Mark Ii 7d 20d 30d 40d 550d 500d Diffusion Material effectively spreads light evenly on your subject, preventing harsh shadows. With its elastic band, you can install or uninstall it easily. It is foldable, thus you can fold and unfold it Use the diffuser by placing it flush against the front of the lens and exposing through it. Fold Size:4.92 x 3.98 inch / 12.5 x 10.1 cm (L x W)