CASCADE CREST TOOLS FLEX HACKLE- Made with a combination of Mirror Flash and Spandex, also know as Flexi Floss or Dyna Floss. This one sided hackle SHAKES, QUIVERS, and BREATHES like nothing else. Add a simple collar to poppers, steelhead, and salt water patterns. Entirely made in the U.S. with U.S. materials. 1 1/4” wide. 4 1/2 feet per package.