16pcs Invisible Ink Pen and Black Light Combo， 4 Colors Including Red， Blue， Yellow， Purple[Product Information]- Enter your model numberto make sure this fits.
- Currency Checker. Invisible Ink Pen
- Requires 3 AG3 Button Cell Batteries (included)
- Security Marking
- Clip Included
- Packaging include: 16pcs Invisible Ink Pens
