Pen with Invisible Ink

  • $9.00
  • Availability: 9 In Stock
  • Sku: SPT-SHT-UVM-3

The markings remain invisible until examined under an ultraviolet light source. *** IMPORTANT*** May not work well on some white papers, recommended for use on colored paper.

Tags:

The markings remain invisible until examined under an ultraviolet light source.

*** IMPORTANT***

May not work well on some white papers, recommended for use on colored paper.