Glow eyes Skull charms slip onto your paracord project with ease. Can be used with other cords also. This 25 pack of charms is great for groups, schools, summer camp projects and parties. Your friends enjoy the glow in the dark eyes. look great with your 550 parachute cord. Lace into all kinds of projects. Lanyards, bracelets, key fobs. Your friends will admire them when they glow in the dark.