Poly-Yarn
Poly-Yarn is a carded material that is part of wider range of colours of this amazing floating material. It is a continuous fibre that is not bonded so makes it ideal for bodies, parachute posts, indicators and even as a dubbing.
Poly-Yarn has a specific gravity/density of 0.91 g/cm³ so is lighter than water. This means you can rely on this material for your flies completely being buoyant.

