Waterproofed Dyed Colors: Enhanced Buoyancy Versatile Use: Dry Fly Wings, Bodies, & Hackles for Nymphs & Dry Flies Packaging: 1 Gram of Feathers High-quality CDC Feathers, super-premium, with waterproofed dyed colors for optimal buoyancy. Ideal for dry fly wings, bodies, and mobile hackles on both nymphs and dry flies.