Specification Binding : Electronics Brand : Vello Label : Vello Manufacturer : Vello Model : BDC420.isolKt2 PartNumber : BDC420.isolKt2 ProductGroup : Photography ProductTypeName : CAMERA_OTHER_ACCESSORIES Publisher : Vello SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/31A6tODsiWL._SL75_.jpg SmallImage_Width : 75 Studio : Vello Title : Vello Bounce Dome (Diffuser) for Canon 420EX Speedlight(2 Pack)