Name: Blue Invisible Ink Pen
- Perfect secret, personalized objects, highlighter, anti-counterfeiting.
- Use the pointer to point at the words you write and you can see them clearly.
- Able to write on paper, body, wall, pathetic, wood product, metal product, cloth, etc.
Writing text cannot be seen with the naked eye, use ultraviolet light to reveal
The color of the photo may be a bit different from the actual product due to the color display of different displays.