4946CC BLUE RIBBON FLY BOX XL-CCFlambeau's Blue Ribbon Waterproof Fly Boxes are named after those trophy Blue Ribbon water that all fly anglers dream of. These fly boxes are truly the best fly storage systems available on the market today. Each precision fly box feature a 360 degree rubber gasket, a front cam locking system and external rubber bumpers to protect your investments. Adjustable dividers offer up to 28 compartment flexibility.