Ultraviolet Spy Pen

You've finally got a real spy pen in this Ultraviolet Spy pen. Write your messages in secrecy with confidence when you use this pen. It utilizes special high-brightness ultraviolet viewable compounds that won't show up under normal lighting conditions. However, you can flip the pen over and shine the built-in light on your message to illuminate and decipher it. Writings will show up under black lights and other ultraviolet lights, too.

• Real-deal spy pen
• High-brightness UV compounds
• Invisible in ordinary light
• See ink under black/UV lights
• Features built-in light