Jiulyning Invisible Ink Pen & Black Light Combo， 4 Colors (Red， Blue， Yellow， Purple)， Set of 20pcs[Product Information]- Enter your model numberto make sure this fits.
- Packaging include: 20pcs pens.
- Currency Checker. Invisible Ink Pen.
- Requires 3 AG3 Button Cell Batteries (included).
- Clip Included.
- Security Marking.
