2 in 1 Security Invisible Ink Marker Secret Pen with UV Light
Invisible ink pens are great for marking all kinds of surfaces and applications, especially paper.
Kids love these for sending secret messages !
UV light is also useful for detecting counterfeit bank notes. Suspect someone is stealing cash? Simply use the pen to make a distinguishing mark and use the UV light to make checks.
Material : Plastic
Color : Black
Size : 120C x 1.5 cm
Package includes :
1 x 2 in 1 Invisible Ink Pen with UV Light
Details pictures :