DescriptionThis specially formulated Glow-in-the-Dark glue comes in luminous neon colors to electrify your gluing & slime projects. Turn the lights off & watch the neon colors come to life. This safe, non-toxic formula is flexible when dry and washable with soap & water. For best glow, expose to light for at least 2 minutes. When the glow fades, recharge in the light again.