Important: Package include 50ml of 5 bottles * 10ml (1*red, 4* blue),
Ink is all harmless, odorless water-based ink .
Note:Instruction manual:Marker. Printers,Akira uniform before use
The little yellow colored, glass bottles are received in the signature to be demolished
INVISIBLE WRITING PEN UV LIGHT ULTRA VIOLET INK HIDDEN
SECRET MESSAGE LED MARKER
The writing can only be seen using a black light (attached with the pen).
Couples, friends and detective minded people can use it for fun and purpose.
Stylish cool looking pen
Loaded with special ink that is only visible under UV light
Includes a mini LED UV black light with batteries, allows you to view your messages