The Purple Prince Nymph Bead Head Trout Flies in size 18 are a lot of 6 premium fly fishing flies designed for attracting multiple species of freshwater fish such as trout and rainbow trout. These flies are made with fly tying materials and feature a negative buoyancy, ideal for fishing in tailwaters, freestones, and lakes. The flies are guide-tied custom flies for use in dry dropper or double nymph rigs, with heavy fishing hooks for maximum effectiveness. Made in the United States, these flies are a must-have for any fly fishing enthusiast looking to enhance their fishing experience.