These are Hareline Dubbin’s UV2 Coq De Leon Perdigon Fire Tail Feathers: These are real Coq de Leon feathers imported from the Leon region of Spain. These are over dyed with Uv colors. Creates a Uv enhanced CDL feather. Used to make perdigon nymphs or Czech jig nymphs. Natural, Flame, Blue, Pink, Yellow, Chartreuse, Orange, Natural. Price per one color only. The brighter photos show the feathers enhanced with UV light. The dying requires a several step process to enhance colors.