GLO Effex Green Glow in the Dark Paint - .5 oz Dries clear and nearly invisible on lighter surfaces with excellent adhesion to most surfaces and is extremely durable when dry Extremely Bright Long Lasting Glow! If charged with a bright light it will glow all night and will continue to recharge over and over again endless times. No need for black lights to make the paint glow. Completely non-toxic water based acrylic paint. It's safe and cleans up with water. Excellent for marking, fishing lures, party decorations, gun sights, or really anything you wish to use it for. Made with the highest grade Strontium Aluminate Pigments.