Flouro Fiber is a terrific accent material or it can be used on its own for small streamers. Mainly though it is material intended for use for things like gills and other highlights.
Flouro Fiber is another product from H20) that works alike like some of their other materials. It is a fiber that can be added to flies for highlights, or used for smaller streamers and wings. It is also a material worth using for terrestrials and other bigger dry flies as an accent. The material lights up in the water because of its florescent properties.