This is a 1.2 Denier, 1.5" staple synthetic material. It has been treated with a DuPont product that makes it waterproof. Try floating some - it will float indefinitely

These blended genuine Antron translucent fibers are easy to dub and provide a very effective sparkle effect.

Beaver Dubbing. This dubbing does not soak up water, contains few guard hairs and is excellent for small flies (sizes 22 and 24) or flies with tight bodies like Comparaduns.