Details As a floatant, Loon Dust keeps flies riding high and adds sparkle attractor. It can also be used to give nymphs a realistic air bubble effect. Included is an easy to use brush applicator. Great for CDC!Features: Dun color floatant with brush applicator Brush allows applications to only part of a fly. Will not leave oil-slick on water Subtle irridescence for increased visibility Compatible with all flies, including CDC Gives nymphs realistic air-bubble effect