UV Spy Pen Invisible Ink Security Marker Blue

Write secret invisible notes anywhere with the Ultraviolet Spy Marker!The UV Spy Marker can write invisibly on almost any dry surface, including paper, metal, glass, paint, skin and even currency. The markings will remain invisible until illuminated under an ultraviolet light source.Ideal for marking sensitive notes, personal property, theft detection and covert communications, this pen will come in handy in all sorts of espionage situations. The ink is heat-proof, waterproof and non-toxic, so it's safe for kids. Color: Blue

Color: Neon BlueLength: 5��"Felt Tip PenInvisible Ink - Only Visible Once Exposed to UV Light SourceWrite on Paper, Metal, Glass, Paint, Skin & CurrencyHeat-proof, Waterproof & Non-toxic