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Feature

Packaging include: 20pcs invisible pens.
Currency Checker Invisible Ink Pen.
Requires 3 AG3 Button Cell Batteries (included).
Security Marking, Clip Included.
FREE WARRANTY: 12 months warranty, replacement or full refund without return, RISK FREE.

Description

Write with the invisible ink pen then light your message with the mini black light to see what was written!
Invisible pen bring you an amazing variety of fun applications:
Secret messages
Emergency flashlight
Security marking
, Packaging include: 20pcs pens ( Pen shell color: Red, Blue, Yellow, Purple)