Ultra-fine Powder that adheres to the exposed surface of feathers, hairs, and synthetic fibers, providing an unparalleled buoyancy to the fly. An essential step to achieve a perfect result is treating the fly while completely dry; if wet or damp, the opposite effect occurs. It resists immersion exceptionally well; during this phase, it creates an air bubble that closely imitates the wing case during the hatching. It can be used on any type of fly: nymphs, emergers, dry flies, and streamers, allowing for experimentation by applying it to specific parts of the fly to achieve specific fishing presentations. - Convenient 2-gram bottle with a secure seal - Attach the fly to the tippet, place the cap on without pressing down, and shake well to cover the entire surface of the fly - It is sensitive to moisture; do not insert wet flies inside the bottle