High Visibility Fluorocarbon for Night Fishing ControlSunline Night FC is a 100 percent fluorocarbon line designed to help anglers see their line under black light during night fishing. It combines the abrasion resistance lower stretch and sensitivity of fluorocarbon with enhanced visibility options for after-dark bite detection. 100 percent fluorocarbon line Visible under black light High abrasion resistance Available in two colors Multiple pound tests offered