Rust-Oleum Glow in the Dark Spray Paint creates a green glowing effect after it's charged by natural or artificial light. It can be used on indoor and outdoor objects made from wood, metal, drywall and plastic. The fast drying formula is great for kids' rooms, school projects, holiday décor and more!Details:Green10 oz. (283 g) net wt.Glow in the dark finishGlows for 2 to 4 hoursFast dryingFor multi-surface useFor indoor and outdoor useCare & Usage:Periodic reapplication may be needed for outdoor useApply over a white or light-colored surfacePrepare the surface with Rust-Oleum white spray primer (sold separately) for best adhesion or before painting bare wood or metalLet painted object charge in light for several hours to activate effect