Brilliant thread with parallel filaments made of polyamide fibers slightly wavy. Fully waterproof with high buoyancy, it is an excellent material for the tying of the upper part of dry flies parachute. It also has the advantage of being a built-in strike indicator with high visibility. Natural colors can be used for tying bodies or tails, but it is also suitable for making colored and brilliant ribbings. It is available in a range of 17 brilliant colors, either natural and fluorescent.