Gulff UV Color Fly Resin is a series of special UV resin products specifically made to meet the demands of fly tyers to add the finishing touches of their creations! Black for ants, heads, and backs; amber for nymphs, larvae, shrimp. Dirty Motor Oil for whatever you think works best. Formulated with user safety and the environment in mind, its UV resin's main raw component is biodegradable and contributes mightily to a product that is not tacky. Mix as needed before applying. Crank out your patterns with a Gulff UV Color Fly Resin! UV resin for general fly tying use Non-tacky Cures in seconds Qty. per Pack: 1